diff --git a/config.h b/config.h
index 9328d35..40e67ed 100644
--- a/config.h
+++ b/config.h
@@ -715,6 +715,78 @@
 #define EP_REVERB_SEND_MAX 100
 #define EP_REVERB_SEND_DEFAULT 0
 
+#define EP_DECAY_MIN 0
+#define EP_DECAY_MAX 100
+#define EP_DECAY_DEFAULT 50
+
+#define EP_RELEASE_MIN 0
+#define EP_RELEASE_MAX 100
+#define EP_RELEASE_DEFAULT 50
+
+#define EP_HARDNESS_MIN 0
+#define EP_HARDNESS_MAX 100
+#define EP_HARDNESS_DEFAULT 50
+
+#define EP_TREBLE_MIN 0
+#define EP_TREBLE_MAX 100
+#define EP_TREBLE_DEFAULT 50
+
+#define EP_PAN_TREMOLO_MIN 0
+#define EP_PAN_TREMOLO_MAX 100
+#define EP_PAN_TREMOLO_DEFAULT 50
+
+#define EP_PAN_LFO_MIN 0
+#define EP_PAN_LFO_MAX 100
+#define EP_PAN_LFO_DEFAULT 65
+
+#define EP_VELOCITY_SENSE_MIN 0
+#define EP_VELOCITY_SENSE_MAX 100
+#define EP_VELOCITY_SENSE_DEFAULT 25
+
+#define EP_STEREO_MIN 0
+#define EP_STEREO_MAX 100
+#define EP_STEREO_DEFAULT 50
+
+#define EP_POLYPHONY_MIN 0
+#define EP_POLOYPHONY_MAX NUM_EPIANO_VOICES
+#define EP_POLYPHONY_DEFAULT NUM_EPIANO_VOICES
+
+#define EP_TUNE_MIN 1
+#define EP_TUNE_MAX 199
+#define EP_TUNE_DEFAULT 100
+
+#define EP_DETUNE_MIN 0
+#define EP_DETUNE_MAX 100
+#define EP_DETUNE_DEFAULT 15
+
+#define EP_OVERDRIVE_MIN 0
+#define EP_OVERDRIVE_MAX 100
+#define EP_OVERDRIVE _DEFAULT 0
+
+#define EP_LOWEST_NOTE_MIN 21
+#define EP_LOWEST_NOTE_MAX 108
+#define EP_LOWEST_NOTE_DEFAULT 21
+
+#define EP_HIGHEST_NOTE_MIN 21
+#define EP_HIGHEST_NOTE_MAX 108
+#define EP_HIGHEST_NOTE_DEFAULT 108
+
+#define EP_TRANSPOSE_MIN 0
+#define EP_TRANSPOSE_MAX 48
+#define EP_TRANSPOSE_DEFAULT 24
+
+#define EP_SOUND_INTENSITY_MIN 0
+#define EP_SOUND_INTENSITY_MAX 100
+#define EP_SOUND_INTENSITY_DEFAULT 100
+
+#define EP_MONOPOLY_MIN 0
+#define EP_MONOPOLY_MAX 1
+#define EP_MONOPOLY_DEFAULT 0
+
+#define EP_MIDI_CHANNEL_MIN MIDI_CHANNEL_OMNI
+#define EP_MIDI_CHANNEL_MAX 16
+#define EP_MIDI_CHANNEL_DEFAULT MIDI_CHANNEL_OMNI
+
 #define FAVORITES_NUM_MIN 0
 #define FAVORITES_NUM_MAX 100
 #define FAVORITES_NUM_DEFAULT 0
@@ -800,6 +872,29 @@ typedef struct fx_s {
   uint8_t ep_reverb_send;
 } fx_t;
 
+typedef struct epiano_s {
+  uint8_t decay;
+  uint8_t release;
+  uint8_t hardness;
+  uint8_t treble;
+  uint8_t pan_tremolo;
+  uint8_t pan_lfo;
+  uint8_t velocity_sense;
+  uint8_t stereo;
+  uint8_t polyphony;
+  uint8_t tune;
+  uint8_t detune;
+  uint8_t overdrive;
+  uint8_t lowest_note;
+  uint8_t highest_note;
+  uint8_t transpose;
+  uint8_t sound_intensity;
+  uint8_t pan;
+  uint8_t velocity_level;
+  uint8_t monopoly;
+  uint8_t midi_channel;
+} epiano_t;
+
 typedef struct sys_s {
   uint8_t vol;
   uint8_t mono;