diff --git a/UI.hpp b/UI.hpp
index b4f6a7b..f3e43e3 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -65,6 +65,7 @@ extern float pseudo_log_curve(float value);
 extern uint8_t selected_instance_id;
 extern char receive_bank_filename[FILENAME_LEN];
 extern uint8_t seq_data[4][16];
+extern uint8_t seq_patternchain[4][4];
 extern uint8_t seq_step_timer;
 extern bool seq_running;
 extern bool seq_recording;
@@ -74,6 +75,9 @@ extern uint8_t seq_active_track;
 extern elapsedMillis seq_millis_timer;
 extern uint8_t seq_menu;
 extern bool seq_button_r;
+extern uint8_t seq_chain_select_menu;
+extern uint8_t seq_chain_active_menu;
+extern uint8_t seq_chain_active_chainstep;
 #if NUM_DRUMS > 0
 #include "drums.h"
 #endif
@@ -250,6 +254,7 @@ void UI_func_portamento_time(uint8_t param);
 void UI_handle_OP(uint8_t param);
 void UI_func_information(uint8_t param);
 void UI_func_sequencer(uint8_t param);
+void UI_func_seq_pat_chain(uint8_t param);
 void UI_func_volume(uint8_t param);
 void UI_func_load_performance(uint8_t param);
 void UI_func_save_performance(uint8_t param);
@@ -3545,7 +3550,7 @@ const char* seq_find_shortname(uint8_t sstep)
   if (seq_active_track < 3) {
     for (uint8_t d = 0; d < NUM_DRUMCONFIG - 1; d++)
     {
-      if (seq_data[seq_active_track][sstep] == drum_config[d].midinote)
+      if (seq_data[ seq_patternchain[0][seq_active_track] ][sstep] == drum_config[d].midinote)
       {
         shortname = drum_config[d].shortname;
         found = true;
@@ -3564,8 +3569,8 @@ const char* seq_find_shortname(uint8_t sstep)
 
 // deactivated for now since audio library seems not like to change reverb settings at runtime (and is skipping notes)
 //void seq_set_rev_for_single_instr_per_step(uint8_t track, uint8_t note)
-//{  
-// 
+//{
+//
 //  if (track < 3) {
 //    for (uint8_t d = 0; d < NUM_DRUMCONFIG - 1; d++)
 //    {
@@ -3574,8 +3579,8 @@ const char* seq_find_shortname(uint8_t sstep)
 //        drum_config[d].reverb_send = float(seq_reverb[track][seq_step_timer]) / float(100);
 //        break;
 //      }
-//    } 
-//  } 
+//    }
+//  }
 //}
 
 void UI_func_sequencer(uint8_t param)
@@ -3805,6 +3810,189 @@ void UI_func_sequencer(uint8_t param)
   }
 }
 
+void UI_func_seq_pat_chain(uint8_t param)
+{
+
+  if (LCDML.FUNC_setup())         // ****** SETUP *********
+  {
+    // setup function
+    seq_button_r = false;
+
+    lcd.setCursor( 12, 0);
+    lcd.print(seq_chain_active_chainstep + 1);
+    lcd.setCursor( 13, 0);
+    lcd.print("/4");
+
+    lcd.setCursor(0 , 0);
+    lcd.print("D");
+    lcd.setCursor(2 , 0);
+    lcd.print( seq_patternchain[seq_chain_active_chainstep][0]);
+
+    lcd.setCursor(0 , 1);
+    lcd.print("D");
+    lcd.setCursor(2 , 1);
+    lcd.print( seq_patternchain[seq_chain_active_chainstep][1]);
+
+    lcd.setCursor(6 , 0);
+    lcd.print("D");
+    lcd.setCursor(8 , 0);
+    lcd.print( seq_patternchain[seq_chain_active_chainstep][2]);
+
+    lcd.setCursor(6 , 1);
+    lcd.print("I");
+    lcd.setCursor(8 , 1);
+    lcd.print( seq_patternchain[seq_chain_active_chainstep][3]);
+  }
+
+  if (LCDML.FUNC_loop())          // ****** LOOP *********
+  {
+    if (seq_chain_active_menu == 99) {
+      if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()))
+      {
+        if (LCDML.BT_checkDown())
+          seq_chain_select_menu = constrain(seq_chain_select_menu + 1, 0, 4);
+        else if (LCDML.BT_checkUp())
+          seq_chain_select_menu = constrain(seq_chain_select_menu - 1, 0, 4);
+      }
+    } else if (seq_chain_active_menu == 4) {
+      if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()))
+      {
+        if (LCDML.BT_checkDown())
+          seq_chain_active_chainstep = constrain(seq_chain_active_chainstep + 1, 0, 3);
+        else if (LCDML.BT_checkUp())
+          seq_chain_active_chainstep = constrain(seq_chain_active_chainstep - 1, 0, 3);
+      }
+    }
+    else if (seq_chain_active_menu < 4) {
+      if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()))
+      {
+        if (LCDML.BT_checkDown())
+          seq_patternchain[seq_chain_active_chainstep][seq_chain_active_menu] = constrain(seq_patternchain[seq_chain_active_chainstep][seq_chain_active_menu] + 1, 0, 9);
+        else if (LCDML.BT_checkUp())
+          seq_patternchain[seq_chain_active_chainstep][seq_chain_active_menu] = constrain(seq_patternchain[seq_chain_active_chainstep][seq_chain_active_menu] - 1, 0, 9);
+      }
+    }
+    if (seq_chain_select_menu == 0 && seq_chain_active_menu == 99) // Drum 0
+    {
+      lcd.setCursor(1 , 0);
+      lcd.print("[");
+      lcd.setCursor(3 , 0);
+      lcd.print("]");
+      lcd.setCursor(1 , 1);
+      lcd.print(" ");
+      lcd.setCursor(3 , 1);
+      lcd.print(" ");
+    } else if (seq_chain_select_menu == 1 && seq_chain_active_menu == 99) // Drum 1
+    {
+      lcd.setCursor(1 , 0);
+      lcd.print(" ");
+      lcd.setCursor(3 , 0);
+      lcd.print(" ");
+      lcd.setCursor(7 , 0);
+      lcd.print(" ");
+      lcd.setCursor(9 , 0);
+      lcd.print(" ");
+      lcd.setCursor(1 , 1);
+      lcd.print("[");
+      lcd.setCursor(3 , 1);
+      lcd.print("]");
+    } else if (seq_chain_select_menu == 2 && seq_chain_active_menu == 99) // Drum 2
+    {
+      lcd.setCursor(7 , 0);
+      lcd.print("[");
+      lcd.setCursor(9 , 0);
+      lcd.print("]");
+      lcd.setCursor(1 , 1);
+      lcd.print(" ");
+      lcd.setCursor(3 , 1);
+      lcd.print(" ");
+      lcd.setCursor(7 , 1);
+      lcd.print(" ");
+      lcd.setCursor(9 , 1);
+      lcd.print(" ");
+    } else if (seq_chain_select_menu == 3 && seq_chain_active_menu == 99) // Inst
+    {
+      lcd.setCursor(7 , 0);
+      lcd.print(" ");
+      lcd.setCursor(9 , 0);
+      lcd.print(" ");
+      lcd.setCursor(7 , 1);
+      lcd.print("[");
+      lcd.setCursor(9 , 1);
+      lcd.print("]");
+      lcd.setCursor( 11, 0);
+      lcd.print(" ");
+      lcd.setCursor( 15, 0);
+      lcd.print(" ");
+    } else if (seq_chain_select_menu == 4 && seq_chain_active_menu == 99) // Chainselect
+    {
+      lcd.setCursor(7 , 1);
+      lcd.print(" ");
+      lcd.setCursor(9 , 1);
+      lcd.print(" ");
+
+      lcd.setCursor( 11, 0);
+      lcd.print("[");
+      lcd.setCursor( 12, 0);
+      lcd.print(seq_chain_active_chainstep + 1);
+      lcd.setCursor( 13, 0);
+      lcd.print("/4]");
+    } else if (seq_chain_select_menu == 4 && seq_chain_active_menu == 4) // Chainselect modify
+    {
+      lcd.setCursor( 11, 0);
+      lcd.print("[");
+      lcd.setCursor( 12, 0);
+      lcd.print(seq_chain_active_chainstep + 1);
+      lcd.setCursor( 13, 0);
+      lcd.print("/4]");
+
+      lcd.setCursor(2 , 0);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][0]);
+
+      lcd.setCursor(2 , 1);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][1]);
+
+      lcd.setCursor(8 , 0);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][2]);
+
+      lcd.setCursor(8 , 1);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][3]);
+    } else if (seq_chain_select_menu == 0 && seq_chain_active_menu == 0) // Drum 0 modify
+    {
+      lcd.setCursor(2 , 0);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][0]);
+    } else if (seq_chain_select_menu == 1 && seq_chain_active_menu == 1) // Drum 1 modify
+    {
+      lcd.setCursor(2 , 1);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][1]);
+    } else if (seq_chain_select_menu == 2 && seq_chain_active_menu == 2) // Drum 2 modify
+    {
+      lcd.setCursor(8 , 0);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][2]);
+    } else if (seq_chain_select_menu == 3 && seq_chain_active_menu == 3) // Inst modify
+    {
+      lcd.setCursor(8 , 1);
+      lcd.print( seq_patternchain[seq_chain_active_chainstep][3]);
+    }
+
+    if (seq_button_r)  //handle button presses during menu >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
+    {
+      seq_button_r = false;
+      if (seq_chain_active_menu == seq_chain_select_menu) {
+        seq_chain_active_menu = 99;
+      }  else
+      {
+        seq_chain_active_menu = seq_chain_select_menu;
+      }
+    }
+  }
+  if (LCDML.FUNC_close())     // ****** STABLE END *********
+  {
+    encoderDir[ENC_R].reset();
+  }
+}
+
+
 void UI_func_information(uint8_t param)
 {
   if (LCDML.FUNC_setup())         // ****** SETUP *********
diff --git a/UI_FX.h b/UI_FX.h
index 872384f..f584a8b 100644
--- a/UI_FX.h
+++ b/UI_FX.h
@@ -110,12 +110,13 @@ LCDML_add(76, LCDML_0_3_5, 1, "MIDI Recv Bank", UI_func_sysex_receive_bank);
 LCDML_add(77, LCDML_0_3_5, 2, "MIDI Snd Bank", UI_func_sysex_send_bank);
 LCDML_add(78, LCDML_0_3_5, 3, "MIDI Snd Voice", UI_func_sysex_send_voice);
 LCDML_add(79, LCDML_0, 4, "Sequencer", UI_func_sequencer);
-LCDML_add(80, LCDML_0, 5, "System", NULL);
-LCDML_add(81, LCDML_0_5, 1, "Stereo/Mono", UI_func_stereo_mono);
-LCDML_add(82, LCDML_0_5, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
-LCDML_add(83, LCDML_0_5, 3, "Favorites", UI_func_favorites);
-LCDML_add(84, LCDML_0_5, 4, "EEPROM Reset", UI_func_eeprom_reset);
-LCDML_add(85, LCDML_0, 6, "Info", UI_func_information);
-LCDML_addAdvanced(86, LCDML_0, 7, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
-#define _LCDML_DISP_cnt 86
+LCDML_add(80, LCDML_0, 5, "Pattern Chain", UI_func_seq_pat_chain); 
+LCDML_add(81, LCDML_0, 6, "System", NULL);
+LCDML_add(82, LCDML_0_6, 1, "Stereo/Mono", UI_func_stereo_mono);
+LCDML_add(83, LCDML_0_6, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
+LCDML_add(84, LCDML_0_6, 3, "Favorites", UI_func_favorites);
+LCDML_add(85, LCDML_0_6, 4, "EEPROM Reset", UI_func_eeprom_reset);
+LCDML_add(86, LCDML_0, 6, "Info", UI_func_information);
+LCDML_addAdvanced(87, LCDML_0, 7, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
+#define _LCDML_DISP_cnt 87
 #endif
diff --git a/UI_FX_T4.h b/UI_FX_T4.h
index 51b4b6d..93de88d 100644
--- a/UI_FX_T4.h
+++ b/UI_FX_T4.h
@@ -113,12 +113,13 @@ LCDML_add(79, LCDML_0_3_5, 1, "MIDI Recv Bank", UI_func_sysex_receive_bank);
 LCDML_add(80, LCDML_0_3_5, 2, "MIDI Snd Bank", UI_func_sysex_send_bank);
 LCDML_add(81, LCDML_0_3_5, 3, "MIDI Snd Voice", UI_func_sysex_send_voice);
 LCDML_add(82, LCDML_0, 4, "Sequencer", UI_func_sequencer);
-LCDML_add(83, LCDML_0, 5, "System", NULL);
-LCDML_add(84, LCDML_0_5, 1, "Stereo/Mono", UI_func_stereo_mono);
-LCDML_add(85, LCDML_0_5, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
-LCDML_add(86, LCDML_0_5, 3, "Favorites", UI_func_favorites);
-LCDML_add(87, LCDML_0_5, 4, "EEPROM Reset", UI_func_eeprom_reset);
-LCDML_add(88, LCDML_0, 6, "Info", UI_func_information);
-LCDML_addAdvanced(89, LCDML_0, 7, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
-#define _LCDML_DISP_cnt 89
+LCDML_add(83, LCDML_0, 5, "Pattern Chain", UI_func_seq_pat_chain); 
+LCDML_add(84, LCDML_0, 6, "System", NULL);
+LCDML_add(85, LCDML_0_6, 1, "Stereo/Mono", UI_func_stereo_mono);
+LCDML_add(86, LCDML_0_6, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
+LCDML_add(87, LCDML_0_6, 3, "Favorites", UI_func_favorites);
+LCDML_add(88, LCDML_0_6, 4, "EEPROM Reset", UI_func_eeprom_reset);
+LCDML_add(89, LCDML_0, 7, "Info", UI_func_information);
+LCDML_addAdvanced(90, LCDML_0, 8, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
+#define _LCDML_DISP_cnt 90
 #endif
diff --git a/sequencer.cpp b/sequencer.cpp
index 87a0ee0..b1adb9d 100644
--- a/sequencer.cpp
+++ b/sequencer.cpp
@@ -11,7 +11,6 @@ extern void handleNoteOn(byte , byte , byte );
 extern void handleNoteOff(byte , byte , byte );
 extern void UI_func_sequencer(uint8_t);
 extern const char* seq_find_shortname(uint8_t);
-extern void seq_set_rev_for_single_instr_per_step(byte, byte);
 
 void sequencer()
 {
@@ -59,16 +58,16 @@ void sequencer()
 
     for (uint8_t d = 0; d < 3; d++)
     {
-      if (seq_data[d][seq_step_timer] > 0 && seq_vel[d][seq_step_timer] > 0)
+      if (seq_data[ seq_patternchain[0][d] ][seq_step_timer] > 0 && seq_vel[ seq_patternchain[0][d] ][seq_step_timer] > 0)
       {
-       handleNoteOn(DRUM_MIDI_CHANNEL, seq_data[d][seq_step_timer] , seq_vel[d][seq_step_timer]);
+       handleNoteOn(DRUM_MIDI_CHANNEL, seq_data[ seq_patternchain[0][d] ][seq_step_timer] , seq_vel[ seq_patternchain[0][d] ][seq_step_timer]);
       }
     }
 
     // instrument track
-    if (seq_data[3][seq_step_timer] > 0)  //test instrument sequencer Instance=0
+    if (seq_data[ seq_patternchain[0][3] ][seq_step_timer] > 0)  //test instrument sequencer Instance=0
     {
-      handleNoteOn(configuration.dexed[0].midi_channel, seq_data[3][seq_step_timer] + seq_transpose , seq_vel[3][seq_step_timer]);
+      handleNoteOn(configuration.dexed[0].midi_channel, seq_data[ seq_patternchain[0][3] ][seq_step_timer] + seq_transpose , seq_vel[ seq_patternchain[0][3] ][seq_step_timer]);
     }
 
     seq_noteoffsent = false;
@@ -84,16 +83,16 @@ void sequencer()
 
   {
     if (seq_step_timer > 0) {
-      if (seq_data[3][seq_step_timer - 1] > 0) //test instrument sequencer Instance=0
+      if (seq_data[ seq_patternchain[0][3] ][seq_step_timer - 1] > 0) //test instrument sequencer Instance=0
       {
-        handleNoteOff(configuration.dexed[0].midi_channel, seq_data[3][seq_step_timer - 1] + seq_transpose , 0);
+        handleNoteOff(configuration.dexed[0].midi_channel, seq_data[ seq_patternchain[0][3] ][seq_step_timer - 1] + seq_transpose , 0);
       }
     } else
     {
       if (seq_step_timer == 0) {
-        if (seq_data[3][15] > 0)  //test instrument sequencer Instance=0
+        if (seq_data[ seq_patternchain[0][3] ][15] > 0)  //test instrument sequencer Instance=0
         {
-          handleNoteOff(configuration.dexed[0].midi_channel, seq_data[3][15] + seq_transpose , 0);
+          handleNoteOff(configuration.dexed[0].midi_channel, seq_data[ seq_patternchain[0][3] ][15] + seq_transpose , 0);
           ;
         }
 
diff --git a/sequencer.h b/sequencer.h
index 5d3c4ed..3423fcf 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -11,20 +11,40 @@ bool seq_recording = false;
 uint8_t seq_note_in;
 uint8_t seq_note_in_velocity;
 int seq_transpose;
-uint8_t seq_data[4][16] = {72, 0,  0, 0, 72, 0,  0, 72, 72, 0,  0, 0, 72, 0,  0, 0,
+uint8_t seq_chain_select_menu;
+uint8_t seq_chain_active_menu = 99;
+uint8_t seq_chain_active_chainstep;
+uint8_t seq_lenght=1; // 1=16 steps, 2=32 Steps, 3=46 Steps, 4=64 Steps
+
+uint8_t seq_data[9][16] = {72, 0,  0, 0, 72, 0,  0, 72, 72, 0,  0, 0, 72, 0,  0, 0,
                            0, 0,  0, 0, 75, 0,  0, 0, 0, 0,  0, 0, 75, 0,  0, 0,
                            78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78,
                            45, 45, 57, 57, 45, 45, 57, 57, 45, 45, 57, 57, 45, 45, 57, 57,
-
+                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                           0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
                           };
-uint8_t seq_vel[4][16] = {128, 0,  0, 0, 108, 0,  0, 33, 117, 0,  0, 0, 109, 0,  0, 0,
+uint8_t seq_vel[9][16] = {128, 0,  0, 0, 108, 0,  0, 33, 117, 0,  0, 0, 109, 0,  0, 0,
                           0, 0,  0, 0, 55, 0,  0, 0, 0, 0,  0, 0, 65, 0,  0, 0,
                           78, 58, 88, 48, 78, 38, 78, 78, 68, 48, 68, 48, 88, 48, 78, 48,
                           85, 45, 87, 27, 2, 6, 5, 37, 7, 45, 33, 37, 5, 35, 2, 27,
+                          128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
+                          128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
+                          128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
+                          128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
+                          128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128
                          };
 
 //uint8_t seq_reverb[4][16] = {0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,
 //                             0, 0,  0, 0, 15, 0,  0, 0, 0, 0,  0, 0, 36, 0,  0, 0,
 //                             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 //                             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-//};
+//                            };
+
+uint8_t seq_patternchain[4][4] = { 0, 1, 2, 3,
+                                   0, 4, 2, 5,
+                                   0, 1, 2, 7,
+                                   0, 1, 3, 6
+                                 };