diff --git a/src/midi_arp.cpp b/src/midi_arp.cpp
index ccddb40..f454afc 100644
--- a/src/midi_arp.cpp
+++ b/src/midi_arp.cpp
@@ -3,13 +3,18 @@
 
 MidiArp::MidiArp(float32_t samplerate, CDexedAdapter* synth) : MidiEffect(samplerate, synth)
 {
-    this->syncMode = 1;
-	
     arpeggiator.transmitHostInfo(0, 4, 1, 1, 120.0);
 	arpeggiator.setSampleRate(samplerate);
-	arpeggiator.setDivision(7);
-
+	
 	arpeggiator.setBpm(120);
+	
+	this->setParameter(MidiArp::Param::LATCH, 0);
+	this->setParameter(MidiArp::Param::ARP_MODE, 0);
+	this->setParameter(MidiArp::Param::DIVISION, 9);
+	this->setParameter(MidiArp::Param::NOTE_LENGTH, 70);
+	this->setParameter(MidiArp::Param::VELOCITY, 110);
+	this->setParameter(MidiArp::Param::OCTAVE_SPREAD, 1);
+	this->setParameter(MidiArp::Param::OCTAVE_MODE, 4);
 }
 
 MidiArp::~MidiArp()
@@ -41,7 +46,7 @@ void MidiArp::setParameter(unsigned param, unsigned value)
         this->arpeggiator.setDivision(value);
         break;
     case MidiArp::Param::NOTE_LENGTH:
-        this->arpeggiator.setNoteLength(value);
+        this->arpeggiator.setNoteLength((float) value / 100.0f);
         break;
     case MidiArp::Param::VELOCITY:
         this->arpeggiator.setVelocity(value);
@@ -75,7 +80,7 @@ unsigned MidiArp::getParameter(unsigned param)
     case MidiArp::Param::DIVISION:
         return this->arpeggiator.getDivision();
     case MidiArp::Param::NOTE_LENGTH:
-        return this->arpeggiator.getNoteLength();
+        return roundf(this->arpeggiator.getNoteLength() * 100);
     case MidiArp::Param::VELOCITY:
         return this->arpeggiator.getVelocity();
 	case MidiArp::Param::OCTAVE_SPREAD:
diff --git a/src/midi_arp.h b/src/midi_arp.h
index 9f0e7ec..c68820e 100644
--- a/src/midi_arp.h
+++ b/src/midi_arp.h
@@ -18,7 +18,9 @@
 class MidiArp : public MidiEffect
 {
 public:
-    static const unsigned MIDI_EFFECT_ARP = 1;
+    // ID must be unique for each MidiEffect
+    static const unsigned ID = 1;
+    static constexpr const char* NAME = "Arp";
 
     enum Param
     {
@@ -35,20 +37,65 @@ public:
         UNKNOWN
     };
 
+    enum Mode
+    {
+        UP,
+        DOWN,
+        UP_DOWN,
+        UP_DOWN_ALT,
+        PLAYED,
+        RANDOM,
+        MODE_UNKNOWN
+    };
+
+    enum Division
+    {
+        D_1_1,
+        D_1_2,
+        D_1_3,
+        D_1_4,
+        D_1_4D,
+        D_1_4T,
+        D_1_8,
+        D_1_8D,
+        D_1_8T,
+        D_1_16,
+        D_1_16D,
+        D_1_16T,
+        D_1_32,
+        D_UNKNOWN
+    };
+
+    enum OctMode
+    {
+        OM_UP,
+        OM_DOWN,
+        OM_UP_DOWN,
+        OM_DOWN_UP,
+        OM_UP_CYCLE,
+        OM_UNKNOWN
+    };
+
+
     MidiArp(float32_t samplerate, CDexedAdapter* synth);
     virtual ~MidiArp();
 
     virtual unsigned getId()
     {
-        return MIDI_EFFECT_ARP;
+        return MidiArp::ID;
+    }
+
+    virtual std::string getName()
+    {
+        return MidiArp::NAME;
     }
 
     virtual void setTempo(unsigned tempo);
     virtual void setParameter(unsigned param, unsigned value);
     virtual unsigned getParameter(unsigned param);
     
-    void keydown(int16_t pitch, uint8_t velocity);
-    void keyup(int16_t pitch);
+    virtual void keydown(int16_t pitch, uint8_t velocity);
+    virtual void keyup(int16_t pitch);
 
 protected:
     virtual size_t getParametersSize()
@@ -63,7 +110,6 @@ private:
     static const unsigned MIDI_NOTE_ON = 0b1001;
 
     Arpeggiator arpeggiator;
-	int syncMode;
     std::vector<MidiEvent> events;
 };
 
diff --git a/src/midi_effect_base.h b/src/midi_effect_base.h
index 9c9b8b6..accc3dd 100644
--- a/src/midi_effect_base.h
+++ b/src/midi_effect_base.h
@@ -5,13 +5,16 @@
 #ifndef _MIDI_EFFECT_H
 #define _MIDI_EFFECT_H
 
+#include <string>
 #include <vector>
 #include "dexedadapter.h"
 
 class MidiEffect
 {
 public:
-    static const unsigned MIDI_EFFECT_NONE = 0;
+    // ID must be unique for each MidiEffect
+    static const unsigned ID = 0;
+    static constexpr const char* NAME = "None";
     
     MidiEffect(float32_t samplerate, CDexedAdapter* synth)
     {
@@ -23,19 +26,24 @@ public:
     {
     }
 
-    void setBypass(bool bypass)
+    virtual unsigned getId()
     {
-        this->bypass = bypass;
+        return MidiEffect::ID;
     }
     
-    bool getBypass()
+    virtual std::string getName()
     {
-        return bypass;
+        return MidiEffect::NAME;
     }
 
-    virtual unsigned getId()
+    void setBypass(bool bypass)
     {
-        return MIDI_EFFECT_NONE;
+        this->bypass = bypass;
+    }
+    
+    bool getBypass()
+    {
+        return this->getId() == MidiEffect::ID ? true : this->bypass;
     }
 
     virtual void setTempo(unsigned tempo)
@@ -70,9 +78,17 @@ public:
         return params;
     }
 
+    virtual void keydown(int16_t pitch, uint8_t velocity)
+    {
+    }
+
+    virtual void keyup(int16_t pitch)
+    {
+    }
+
     void process(uint16_t len)
     {
-        if (this->bypass)
+        if (this->getBypass())
         {
             return;
         }
diff --git a/src/midi_effects.h b/src/midi_effects.h
new file mode 100644
index 0000000..a1f2afd
--- /dev/null
+++ b/src/midi_effects.h
@@ -0,0 +1,107 @@
+#ifndef _MIDI_EFFECTS_H
+#define _MIDI_EFFECTS_H
+
+#include "midi_effect_base.h"
+#include "midi_arp.h"
+
+inline MidiEffect* newMidiEffect(unsigned type, float32_t samplerate, CDexedAdapter* synth)
+{
+    switch (type)
+	{
+	case MidiArp::ID:
+		return new MidiArp(samplerate, synth);
+	default:
+		return new MidiEffect(samplerate, synth);
+	}
+}
+
+inline std::string getMidiFXTypeName(int type)
+{
+	switch (type)
+	{
+	case MidiArp::ID:
+        return MidiArp::NAME;
+	case MidiEffect::ID:
+	default:
+        return MidiEffect::NAME;
+	}
+}
+
+inline std::string ToMidiFXType (int value)
+{
+	return getMidiFXTypeName(value);
+}
+
+inline std::string ToArpDivision (int value)
+{
+	switch (value)
+	{
+	case MidiArp::Division::D_1_1:
+		return "1/1";
+	case MidiArp::Division::D_1_2:
+		return "1/2";
+	case MidiArp::Division::D_1_3:
+		return "1/3";
+	case MidiArp::Division::D_1_4:
+		return "1/4";
+	case MidiArp::Division::D_1_4D:
+		return "1/4.";
+	case MidiArp::Division::D_1_4T:
+		return "1/4T";
+	case MidiArp::Division::D_1_8:
+		return "1/8";
+	case MidiArp::Division::D_1_8D:
+		return "1/8.";
+	case MidiArp::Division::D_1_8T:
+		return "1/8T";
+	case MidiArp::Division::D_1_16:
+		return "1/16";
+	case MidiArp::Division::D_1_16D:
+		return "1/16.";
+	case MidiArp::Division::D_1_16T:
+		return "1/16T";
+	case MidiArp::Division::D_1_32:
+	default:
+		return "1/32";
+	}
+}
+
+inline std::string ToArpMode (int value)
+{
+	switch (value)
+	{
+	case MidiArp::Mode::UP:
+		return "Up";
+	case MidiArp::Mode::DOWN:
+		return "Down";
+	case MidiArp::Mode::UP_DOWN:
+		return "Up-Down";
+	case MidiArp::Mode::UP_DOWN_ALT:
+		return "Up-Down Alt";
+	case MidiArp::Mode::PLAYED:
+		return "Played";
+	case MidiArp::Mode::RANDOM:
+	default:
+    	return "Random";
+	}
+}
+
+inline std::string ToArpOctMode (int value)
+{
+	switch (value)
+	{
+	case MidiArp::OctMode::OM_UP:
+		return "Up";
+	case MidiArp::OctMode::OM_DOWN:
+		return "Down";
+	case MidiArp::OctMode::OM_UP_DOWN:
+		return "Up-Down";
+	case MidiArp::OctMode::OM_DOWN_UP:
+		return "Down-Up";
+	case MidiArp::OctMode::OM_UP_CYCLE:
+	default:
+    	return "Up-Cycle";
+	}
+}
+
+#endif // _MIDI_EFFECTS_H
\ No newline at end of file
diff --git a/src/minidexed.cpp b/src/minidexed.cpp
index d9fa8c6..6e2f4c9 100644
--- a/src/minidexed.cpp
+++ b/src/minidexed.cpp
@@ -109,7 +109,7 @@ CMiniDexed::CMiniDexed (CConfig *pConfig, CInterruptSystem *pInterrupt,
 		m_pTG[i] = new CDexedAdapter (CConfig::MaxNotes, pConfig->GetSampleRate ());
 		assert (m_pTG[i]);
 		m_MidiArpSpinLock[i] = new CSpinLock();
-		m_MidiArp[i] = new MidiArp(pConfig->GetSampleRate(), m_pTG[i]);
+		m_MidiArp[i] = new MidiEffect(pConfig->GetSampleRate(), m_pTG[i]);
 
 		m_pTG[i]->setEngineType(pConfig->GetEngineType ());
 		m_pTG[i]->activate ();
@@ -626,6 +626,24 @@ void CMiniDexed::setInsertFXType (unsigned nType, unsigned nTG)
 	m_UI.ParameterChanged ();
 }
 
+void CMiniDexed::setMidiFXType (unsigned nType, unsigned nTG)
+{
+	assert (nTG < CConfig::ToneGenerators);
+
+	// If the effect type is already set just return
+	if (m_MidiArp[nTG]->getId() == nType) {
+		return;
+	}
+
+	m_MidiArpSpinLock[nTG]->Acquire();
+	delete m_MidiArp[nTG];
+	m_MidiArp[nTG] = newMidiEffect(nType, m_pConfig->GetSampleRate(), m_pTG[nTG]);
+	m_MidiArp[nTG]->setTempo(m_nTempo);
+	m_MidiArpSpinLock[nTG]->Release();
+
+	m_UI.ParameterChanged ();
+}
+
 void CMiniDexed::setSendFXType (unsigned nType)
 {
 	m_SendFXSpinLock.Acquire();
@@ -1073,9 +1091,7 @@ void CMiniDexed::SetTGParameter (TTGParameter Parameter, int nValue, unsigned nT
 
 	case TGParameterReverbSend:	SetReverbSend (nValue, nTG);	break;
 	case TGParameterInsertFXType: setInsertFXType(nValue, nTG); break;
-	case TGParameterMidiFXType:
-		// TODO
-		break;
+	case TGParameterMidiFXType: setMidiFXType(nValue, nTG); break;
 	
 	default:
 		assert (0);
diff --git a/src/minidexed.h b/src/minidexed.h
index 15b786f..160c608 100644
--- a/src/minidexed.h
+++ b/src/minidexed.h
@@ -41,11 +41,11 @@
 #include <circle/sound/soundbasedevice.h>
 #include <circle/spinlock.h>
 #include "common.h"
-#include "midi_arp.h"
 #include "effect_mixer.hpp"
 #include "effect_platervbstereo.h"
 #include "effect_compressor.h"
 #include "effects.h"
+#include "midi_effects.h"
 
 class CMiniDexed
 #ifdef ARM_ALLOW_MULTI_CORE
@@ -101,6 +101,7 @@ public:
 	void setAftertouch (uint8_t value, unsigned nTG);
 
 	void setInsertFXType (unsigned nType, unsigned nTG);
+	void setMidiFXType (unsigned nType, unsigned nTG);
 	void setSendFXType (unsigned nType);
 	void setSendFXLevel (unsigned nValue);
 	
@@ -307,7 +308,7 @@ private:
 	unsigned m_nNoteLimitHigh[CConfig::ToneGenerators];
 	int m_nNoteShift[CConfig::ToneGenerators];
 
-	MidiArp* m_MidiArp[CConfig::ToneGenerators];
+	MidiEffect* m_MidiArp[CConfig::ToneGenerators];
 	AudioEffect* m_InsertFX[CConfig::ToneGenerators];
 	unsigned m_nReverbSend[CConfig::ToneGenerators];
   
diff --git a/src/uimenu.cpp b/src/uimenu.cpp
index 50b3916..6a409a8 100644
--- a/src/uimenu.cpp
+++ b/src/uimenu.cpp
@@ -75,7 +75,7 @@ const CUIMenu::TMenuItem CUIMenu::s_TGMenu[] =
 	{"Portamento",		MenuHandler,		s_EditPortamentoMenu},
 	{"Poly/Mono",		EditTGParameter,	0,	CMiniDexed::TGParameterMonoMode}, 
 	{"Modulation",		MenuHandler,		s_ModulationMenu},
-	{"Arp",		MenuHandler,		s_Arp},
+	{"Midi FX",	MenuHandlerMidiFX},
 	{"Channel",	EditTGParameter,	0,	CMiniDexed::TGParameterMIDIChannel},
 	{"Edit Voice",	MenuHandler,		s_EditVoiceMenu},
 	{0}
@@ -237,18 +237,31 @@ CUIMenu::TMenuItem CUIMenu::s_FXReverb[] =
 	{0}
 };
 
-CUIMenu::TMenuItem CUIMenu::s_Arp[] =
-{
-	{"Bypass", EditTGArpParameter, 0, MidiArp::Param::BYPASS},
-	{"Latch", EditTGArpParameter, 0, MidiArp::Param::LATCH},
-	{"Sync", EditTGArpParameter, 0, MidiArp::Param::SYNC},
-	{"Arp Mode", EditTGArpParameter, 0, MidiArp::Param::ARP_MODE},
-	{"Division", EditTGArpParameter, 0, MidiArp::Param::DIVISION},
-	{"Note Length", EditTGArpParameter, 0, MidiArp::Param::NOTE_LENGTH},
-	{"Velocity", EditTGArpParameter, 0, MidiArp::Param::VELOCITY},
-	{"Oct Spread", EditTGArpParameter, 0, MidiArp::Param::OCTAVE_SPREAD},
-	{"Oct Mode", EditTGArpParameter, 0, MidiArp::Param::OCTAVE_MODE},
-	{"Panic", EditTGArpParameter, 0, MidiArp::Param::PANIC},
+const CUIMenu::TMenuItem CUIMenu::s_MidiFX[] =
+{
+	{"Type:", EditTGParameter2, 0, CMiniDexed::TGParameterMidiFXType},
+	{"Edit:", EditMidiFX},
+	{0}
+};
+
+CUIMenu::TMenuItem CUIMenu::s_MidiFXNone[] =
+{
+	{"None"},
+	{0}
+};
+
+CUIMenu::TMenuItem CUIMenu::s_MidiFXArp[] =
+{
+	{"Bypass", EditTGMidiFXParameter, 0, MidiArp::Param::BYPASS},
+	{"Latch", EditTGMidiFXParameter, 0, MidiArp::Param::LATCH},
+	{"Sync", EditTGMidiFXParameter, 0, MidiArp::Param::SYNC},
+	{"Arp Mode", EditTGMidiFXParameter, 0, MidiArp::Param::ARP_MODE},
+	{"Division", EditTGMidiFXParameter, 0, MidiArp::Param::DIVISION},
+	{"Note Length", EditTGMidiFXParameter, 0, MidiArp::Param::NOTE_LENGTH},
+	{"Velocity", EditTGMidiFXParameter, 0, MidiArp::Param::VELOCITY},
+	{"Oct Spread", EditTGMidiFXParameter, 0, MidiArp::Param::OCTAVE_SPREAD},
+	{"Oct Mode", EditTGMidiFXParameter, 0, MidiArp::Param::OCTAVE_MODE},
+	{"Panic", EditTGMidiFXParameter, 0, MidiArp::Param::PANIC},
 	{0}
 };
 
@@ -347,7 +360,7 @@ const CUIMenu::TParameter CUIMenu::s_TGParameter[CMiniDexed::TGParameterUnknown]
 	{0,	127,					8, ToVolume},		// TGParameterVolume
 	{0,	127,					8, ToPan},		// TGParameterPan
 	{0,	7, 1, ToFXType}, // TGParameterInsertFXType
-	{0,	1, 1}, // TGParameterMidiFXType
+	{0,	1, 1, ToMidiFXType}, // TGParameterMidiFXType
 	{-99,	99,					1},			// TGParameterMasterTune
 	{0,	99,					1},			// TGParameterCutoff
 	{0,	99,					1},			// TGParameterResonance
@@ -454,18 +467,18 @@ const CUIMenu::TParameter CUIMenu::s_TGFXReverbParam[AudioEffectPlateReverb::Par
 };
 
 // must match MidiArp::Param
-const CUIMenu::TParameter CUIMenu::s_ArpParam[MidiArp::Param::UNKNOWN] =
+const CUIMenu::TParameter CUIMenu::s_TGMidiFXArpParam[MidiArp::Param::UNKNOWN] =
 {
 	{0, 1, 1, ToOnOff}, // BYPASS
-	{0, 1, 1}, // LATCH
+	{0, 1, 1, ToOnOff}, // LATCH
 	{0, 2, 1}, // SYNC
-	{0, 5, 1}, // ARP_MODE
-	{0, 12, 1}, // DIVISION
+	{0, 5, 1, ToArpMode}, // ARP_MODE
+	{0, 12, 1, ToArpDivision}, // DIVISION
 	{0, 100, 1}, // NOTE_LENGTH
 	{0, 127, 1}, // VELOCITY
 	{1, 4, 1}, // OCTAVE_SPREAD
-	{0, 4, 1}, // OCTAVE_MODE
-	{0, 1, 1} // PANIC
+	{0, 4, 1, ToArpOctMode}, // OCTAVE_MODE
+	{0, 1, 1, ToOnOff} // PANIC
 };
 
 // must match DexedVoiceParameters in Synth_Dexed
@@ -698,6 +711,93 @@ void CUIMenu::MenuHandler (CUIMenu *pUIMenu, TMenuEvent Event)
 	}
 }
 
+void CUIMenu::MenuHandlerMidiFX (CUIMenu *pUIMenu, TMenuEvent Event)
+{
+	// Setup menu when it's open
+	if (!pUIMenu->m_pCurrentMenu)
+	{
+		pUIMenu->m_pCurrentMenu = s_MidiFX;
+	}
+	
+	switch (Event)
+	{
+	case MenuEventUpdate:
+		break;
+
+	case MenuEventSelect:				// push menu
+		assert (pUIMenu->m_nCurrentMenuDepth < MaxMenuDepth);
+		pUIMenu->m_MenuStackParent[pUIMenu->m_nCurrentMenuDepth] = pUIMenu->m_pParentMenu;
+		pUIMenu->m_MenuStackMenu[pUIMenu->m_nCurrentMenuDepth] = pUIMenu->m_pCurrentMenu;
+		pUIMenu->m_nMenuStackItem[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentMenuItem;
+		pUIMenu->m_nMenuStackSelection[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentSelection;
+		pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentParameter;
+		pUIMenu->m_nCurrentMenuDepth++;
+
+		pUIMenu->m_pParentMenu = pUIMenu->m_pCurrentMenu;
+		pUIMenu->m_nCurrentParameter =
+			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Parameter;
+		pUIMenu->m_pCurrentMenu =
+			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].MenuItem;
+		pUIMenu->m_nCurrentMenuItem = pUIMenu->m_nCurrentSelection;
+		pUIMenu->m_nCurrentSelection = 0;
+		break;
+
+	case MenuEventStepDown:
+		if (pUIMenu->m_nCurrentSelection > 0)
+		{
+			pUIMenu->m_nCurrentSelection--;
+		}
+		break;
+
+	case MenuEventStepUp:
+		++pUIMenu->m_nCurrentSelection;
+		if (!pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Name)  // more entries?
+		{
+			pUIMenu->m_nCurrentSelection--;
+		}
+		break;
+
+	case MenuEventPressAndStepDown:
+	case MenuEventPressAndStepUp:
+		pUIMenu->TGShortcutHandler (Event);
+		return;
+
+	default:
+		return;
+	}
+
+	if (pUIMenu->m_pCurrentMenu)				// if this is another menu?
+	{
+		// Identify TG
+		unsigned nTG = pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth-1]; 
+		// Create TG label
+		string TG ("TG");
+		TG += to_string (nTG+1);
+
+		// Get current FX type
+		int nFxType = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterMidiFXType, nTG);
+
+		// Create Paramter with type label
+		std::string value;
+		value.append(pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Name);
+		value.append(getMidiFXTypeName(nFxType));
+
+		pUIMenu->m_pUI->DisplayWrite (
+			TG.c_str (),
+			pUIMenu->m_pParentMenu[pUIMenu->m_nCurrentMenuItem].Name,
+			value.c_str(),
+			pUIMenu->m_nCurrentSelection > 0,
+			!!pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection+1].Name);
+	}
+	else
+	{
+		pUIMenu->EventHandler (MenuEventUpdate);	// no, update parameter display
+	}
+}
+
 void CUIMenu::MenuHandlerInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
 {
 	// Setup menu when it's open
@@ -1135,12 +1235,12 @@ void CUIMenu::EditTGParameter2 (CUIMenu *pUIMenu, TMenuEvent Event) // second me
 				      nValue > rParam.Minimum, nValue < rParam.Maximum);
 }
 
-void CUIMenu::EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
+void CUIMenu::EditMidiFX (CUIMenu *pUIMenu, TMenuEvent Event)
 {
 	unsigned nTG = pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth-2]; 
 
-	int nFXType = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterInsertFXType, nTG);
-	pUIMenu->m_pCurrentMenu = getInsertFXMenuItem(nFXType);
+	int nFXType = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterMidiFXType, nTG);
+	pUIMenu->m_pCurrentMenu = getMidiFXMenuItem(nFXType);
 
 	switch (Event)
 	{
@@ -1148,7 +1248,7 @@ void CUIMenu::EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
 		break;
 
 	case MenuEventSelect:				// push menu
-		if (nFXType == 0)
+		if (nFXType == MidiEffect::ID)
 		{
 			break;
 		}
@@ -1198,7 +1298,7 @@ void CUIMenu::EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
 		
 		pUIMenu->m_pUI->DisplayWrite (
 			TG.c_str (),
-			getFXTypeName(nFXType).c_str(),
+			getMidiFXTypeName(nFXType).c_str(),
 			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Name,
 			pUIMenu->m_nCurrentSelection > 0,
 			!!pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection+1].Name);
@@ -1209,17 +1309,17 @@ void CUIMenu::EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
 	}
 }
 
-void CUIMenu::EditTGArpParameter (CUIMenu *pUIMenu, TMenuEvent Event)
+void CUIMenu::EditTGMidiFXParameter (CUIMenu *pUIMenu, TMenuEvent Event)
 {
 	// Get TG
-	unsigned nTG = pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth-2];
+	unsigned nTG = pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth-3];
 
 	// Get FX type
 	int nFXType = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterMidiFXType, nTG);
 	
 	// Get Param
 	unsigned nParam = pUIMenu->m_nCurrentParameter;
-	TParameter pParam = s_ArpParam[nParam];
+	TParameter pParam = getMidiFXParameter(nFXType, nParam);
 	const TParameter &rParam = pParam;
 
 	int nValue = pUIMenu->m_pMiniDexed->GetMidiFXParameter (nParam, nTG, nFXType);
@@ -1277,6 +1377,80 @@ void CUIMenu::EditTGArpParameter (CUIMenu *pUIMenu, TMenuEvent Event)
 				      nValue > rParam.Minimum, nValue < rParam.Maximum);
 }
 
+void CUIMenu::EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event)
+{
+	unsigned nTG = pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth-2]; 
+
+	int nFXType = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterInsertFXType, nTG);
+	pUIMenu->m_pCurrentMenu = getInsertFXMenuItem(nFXType);
+
+	switch (Event)
+	{
+	case MenuEventUpdate:
+		break;
+
+	case MenuEventSelect:				// push menu
+		if (nFXType == 0)
+		{
+			break;
+		}
+		assert (pUIMenu->m_nCurrentMenuDepth < MaxMenuDepth);
+		pUIMenu->m_MenuStackParent[pUIMenu->m_nCurrentMenuDepth] = pUIMenu->m_pParentMenu;
+		pUIMenu->m_MenuStackMenu[pUIMenu->m_nCurrentMenuDepth] = pUIMenu->m_pCurrentMenu;
+		pUIMenu->m_nMenuStackItem[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentMenuItem;
+		pUIMenu->m_nMenuStackSelection[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentSelection;
+		pUIMenu->m_nMenuStackParameter[pUIMenu->m_nCurrentMenuDepth]
+			= pUIMenu->m_nCurrentParameter;
+		pUIMenu->m_nCurrentMenuDepth++;
+
+		pUIMenu->m_pParentMenu = pUIMenu->m_pCurrentMenu;
+		pUIMenu->m_nCurrentParameter =
+			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Parameter;
+		pUIMenu->m_pCurrentMenu =
+			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].MenuItem;
+		pUIMenu->m_nCurrentMenuItem = pUIMenu->m_nCurrentSelection;
+		pUIMenu->m_nCurrentSelection = 0;
+		break;
+
+	case MenuEventStepDown:
+		if (pUIMenu->m_nCurrentSelection > 0)
+		{
+			pUIMenu->m_nCurrentSelection--;
+		}
+		break;
+
+	case MenuEventStepUp:
+		++pUIMenu->m_nCurrentSelection;
+		if (!pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Name)  // more entries?
+		{
+			pUIMenu->m_nCurrentSelection--;
+		}
+		break;
+
+	default:
+		return;
+	}
+
+	if (pUIMenu->m_pCurrentMenu)				// if this is another menu?
+	{
+		string TG ("TG");
+		TG += to_string (nTG+1);
+		
+		pUIMenu->m_pUI->DisplayWrite (
+			TG.c_str (),
+			getFXTypeName(nFXType).c_str(),
+			pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection].Name,
+			pUIMenu->m_nCurrentSelection > 0,
+			!!pUIMenu->m_pCurrentMenu[pUIMenu->m_nCurrentSelection+1].Name);
+	}
+	else
+	{
+		pUIMenu->EventHandler (MenuEventUpdate);	// no, update parameter display
+	}
+}
+
 void CUIMenu::EditTGFXParameter (CUIMenu *pUIMenu, TMenuEvent Event)
 {
 	// Get TG
@@ -2719,3 +2893,32 @@ CUIMenu::TParameter CUIMenu::getFXParameter(unsigned type, unsigned nParam)
 	}
 	return pParam;
 }
+
+CUIMenu::TMenuItem* CUIMenu::getMidiFXMenuItem(unsigned type)
+{
+	CUIMenu::TMenuItem* menu;
+	switch (type)
+	{
+	case MidiArp::ID:
+		menu = s_MidiFXArp;
+		break;
+	case MidiEffect::ID:
+	default:
+        menu = s_MidiFXNone;
+		break;
+	}
+	return menu;
+}
+
+CUIMenu::TParameter CUIMenu::getMidiFXParameter(unsigned type, unsigned nParam)
+{
+	TParameter pParam;
+	switch (type)
+	{
+	case MidiArp::ID:
+		pParam = s_TGMidiFXArpParam[nParam];
+	default:
+		break;
+	}
+	return pParam;
+}
\ No newline at end of file
diff --git a/src/uimenu.h b/src/uimenu.h
index 6c164bd..0700502 100644
--- a/src/uimenu.h
+++ b/src/uimenu.h
@@ -93,13 +93,18 @@ private:
 	static void SavePerformanceNewFile (CUIMenu *pUIMenu, TMenuEvent Event);
 	static void EditPerformanceBankNumber (CUIMenu *pUIMenu, TMenuEvent Event);
 
+	static void MenuHandlerMidiFX (CUIMenu *pUIMenu, TMenuEvent Event);
+	static void EditMidiFX (CUIMenu *pUIMenu, TMenuEvent Event);
+	static void EditTGMidiFXParameter (CUIMenu *pUIMenu, TMenuEvent Event);
+	static CUIMenu::TMenuItem* getMidiFXMenuItem(unsigned type);	
+	static CUIMenu::TParameter getMidiFXParameter(unsigned type, unsigned param);
+
 	static CUIMenu::TMenuItem* getFXMenuItem(unsigned type);	
 	static CUIMenu::TParameter getFXParameter(unsigned type, unsigned param);
 
 	static void MenuHandlerInsertFX (CUIMenu *pUIMenu, TMenuEvent Event);
 	static void EditInsertFX (CUIMenu *pUIMenu, TMenuEvent Event);
 	static void EditTGFXParameter (CUIMenu *pUIMenu, TMenuEvent Event);
-	static void EditTGArpParameter (CUIMenu *pUIMenu, TMenuEvent Event);
 	static CUIMenu::TMenuItem* getInsertFXMenuItem(unsigned type);
 
 	static void MenuHandlerSendFX (CUIMenu *pUIMenu, TMenuEvent Event);
@@ -130,7 +135,7 @@ private:
 	static std::string ToFXType (int nValue);
 	static std::string ToMix (int nValue);
 	static std::string ToDelayTime (int nValue);
-	
+		
 	void TGShortcutHandler (TMenuEvent Event);
 	void OPShortcutHandler (TMenuEvent Event);
 
@@ -166,6 +171,7 @@ private:
 	static const TMenuItem s_SendFXMenu[];
 	static const TMenuItem s_ReverbMenu[];
 	static const TMenuItem s_InsertFX[];
+	static const TMenuItem s_MidiFX[];
 	
 	static TMenuItem s_FXNone[];
 	static TMenuItem s_FXChorus[];
@@ -176,7 +182,8 @@ private:
 	static TMenuItem s_FXTalReverb3[];
 	static TMenuItem s_FXReverb[];
 
-	static TMenuItem s_Arp[];
+	static TMenuItem s_MidiFXNone[];
+	static TMenuItem s_MidiFXArp[];
 
 	static const TMenuItem s_EditVoiceMenu[];
 	static const TMenuItem s_OperatorMenu[];
@@ -197,7 +204,7 @@ private:
 	static const TParameter s_TGFXBigMuffParam[];
 	static const TParameter s_TGFXTalReverb3Param[];
 	static const TParameter s_TGFXReverbParam[];
-	static const TParameter s_ArpParam[];
+	static const TParameter s_TGMidiFXArpParam[];
 	static const TParameter s_VoiceParameter[];
 	static const TParameter s_OPParameter[];