Diagram of the front panel of the GS Music e7
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GS Music e7 MIDI CCs & NRPNs

MIDI implementation details for the GS Music e7.

Last update: April 2, 2026 • 88 parameters

Contributions welcome! You can email us your edited CSV if you don't want to use GitHub.

General

Parameter CC Range Usage Description Orientation
Mod wheel 1 [0–127] — — 0-based
Volume 7 [0–127] —
Controls master volume
0-based
Portamento time 5 [0–127] — — 0-based
Portamento switch 65 [0–127] — — 0-based
Hold 64 [0–127] — — 0-based
Pitch bend range 50 [0–127] —
Range in semitones
0-based

Oscillator 1

Parameter CC Range Usage Orientation
Oscillator 1 transpose 3 [0–127]
0~127: -24 to +24 semitones
 Centered
Oscillator 1 tune 9 [0–127]
0~127: -0.500 to +0.500 semitones
 Centered
Oscillator 1 shape 14 [0–127]
0-15: Triangle; 16-31: Saw-tri; 32-47: Sawtooth; 48-63: Off; 64-79: Triangle + pulse; 80-95: Saw-tri + pulse; 96-111: Sawtooth + pulse; 112-127: Pulse
 0-based
Oscillator 1 pulse width 15 [0–127] — 0-based
Oscillator 1 LFO 1 mod 22 [0–127] — 0-based
Oscillator 1 LFO 2 mod 23 [0–127] — 0-based
Oscillator 1 LFO 3 mod 24 [0–127] — 0-based
Oscillator 1 envelope 1 mod 25 [0–127] — 0-based
Oscillator 1 LFO 1 pulse width mod 26 [0–127] — 0-based
Oscillator 1 LFO 2 pulse width mod 27 [0–127] — 0-based
Oscillator 1 LFO 3 pulse width mod 28 [0–127] — 0-based
Oscillator 1 envelope 1 pulse width mod 29 [0–127] — 0-based

Oscillator 2

Parameter CC Range Usage Orientation
Oscillator 2 transpose 30 [0–127]
0~127: -24 to +24 semitones
 Centered
Oscillator 2 tune 31 [0–127]
0~127: -0.500 to +0.500 semitones
 Centered
Oscillator 2 shape 34 [0–127]
0-15: Triangle; 16-31: Saw-tri; 32-47: Sawtooth; 48-63: Off; 64-79: Triangle + pulse; 80-95: Saw-tri + pulse; 96-111: Sawtooth + pulse; 112-127: Pulse
 0-based
Oscillator 2 pulse width 35 [0–127] — 0-based
Oscillator 2 LFO 1 mod 39 [0–127] — 0-based
Oscillator 2 LFO 2 mod 40 [0–127] — 0-based
Oscillator 2 LFO 3 mod 41 [0–127] — 0-based
Oscillator 2 envelope 1 mod 42 [0–127] — 0-based
Oscillator 2 LFO 1 pulse width mod 43 [0–127] — 0-based
Oscillator 2 LFO 2 pulse width mod 44 [0–127] — 0-based
Oscillator 2 LFO 3 pulse width mod 45 [0–127] — 0-based
Oscillator 2 envelope 1 pulse width mod 46 [0–127] — 0-based
Oscillator 2 sync 51 [0–127]
0-63: Off; 64-127: On
 0-based

Mixer

Parameter CC Range Usage Orientation
Oscillator 1 level 20 [0–127] — 0-based
Oscillator 2 level 36 [0–127] — 0-based
Sub 1 level 21 [0–127] — 0-based
Sub 2 level 37 [0–127] — 0-based
Noise/external level 52 [0–127] — 0-based

LFO 1

Parameter CC Range Usage Orientation
LFO 1 shape 53 [0–127]
0-15: Triangle; 16-31: Ramp up; 32-47: Ramp down; 48-63: Square; 64-79: Noise / sample & hold; 80-127: Noise / sample & hold (LED off)
 0-based
LFO 1 rate 76 [0–127] — 0-based
LFO 1 mode 60 [0–127]
0-15: Monophonic; 16-31: Polyphonic; 32-47: Keyboard tracking; 48-63: Keyboard sync; 64-79: Clock sync; 80-127: Keyboard + clock sync
 0-based

LFO 2

Parameter CC Range Usage Orientation
LFO 2 shape 61 [0–127]
0-15: Triangle; 16-31: Ramp up; 32-47: Ramp down; 48-63: Square; 64-79: Noise / sample & hold; 80-127: Noise / sample & hold (LED off)
 0-based
LFO 2 rate 62 [0–127] — 0-based
LFO 2 mode 70 [0–127]
0-15: Monophonic; 16-31: Polyphonic; 32-47: Keyboard tracking; 48-63: Keyboard sync; 64-79: Clock sync; 80-127: Keyboard + clock sync
 0-based
LFO 2 envelope 1 mod 67 [0–127] — 0-based

LFO 3

Parameter CC Range Usage Orientation
LFO 3 shape 72 [0–127]
0-31: Triangle; 32-63: Ramp up; 64-95: Ramp down; 96-127: Square
 0-based
LFO 3 rate 73 [0–127] — 0-based
LFO 3 mod wheel 79 [0–127] — 0-based
LFO 3 aftertouch 78 [0–127] — 0-based

Filter

Parameter CC Range Usage Orientation
Filter cutoff 74 [0–127] — 0-based
Filter envelope 1 mod 89 [0–127] — 0-based
Filter velocity envelope 1 mod 86 [0–127] — 0-based
Filter LFO 1 mod 90 [0–127] — 0-based
Filter LFO 2 mod 91 [0–127] — 0-based
Filter LFO 3 mod 92 [0–127] — 0-based
Filter keyboard tracking 85 [0–127] — 0-based
Filter mod wheel 88 [0–127] — 0-based
Filter aftertouch 87 [0–127] — 0-based

Amplifier

Parameter CC Range Usage Description Orientation
Amplifier level 11 [0–127] —
Controls amplifier level for current preset/part
0-based
Amplifier LFO 1 mod 103 [0–127] — — 0-based
Amplifier LFO 2 mod 104 [0–127] — — 0-based
Amplifier LFO 3 mod 105 [0–127] — — 0-based
Amplifier keyboard tracking 93 [0–127] — — 0-based
Amplifier velocity envelope 2 mod 94 [0–127] — — 0-based
Stereo spread 10 [0–127] — — 0-based
Stereo motion 119 [0–127] — — 0-based

Envelope 1

Parameter CC Range Usage Orientation
Envelope 1 attack 16 [0–127] — 0-based
Envelope 1 decay 17 [0–127] — 0-based
Envelope 1 sustain 18 [0–127] — 0-based
Envelope 1 release 19 [0–127] — 0-based
Envelope 1 attack velocity mod 106 [0–127] — 0-based
Envelope 1 release velocity mod 107 [0–127] — 0-based
Envelope 1 keyboard tracking 117 [0–127] — 0-based

Envelope 2

Parameter CC Range Usage Orientation
Envelope 2 attack 80 [0–127] — 0-based
Envelope 2 decay 81 [0–127] — 0-based
Envelope 2 sustain 82 [0–127] — 0-based
Envelope 2 release 83 [0–127] — 0-based
Envelope 2 attack velocity mod 108 [0–127] — 0-based
Envelope 2 release velocity mod 109 [0–127] — 0-based
Envelope 2 keyboard tracking 118 [0–127] — 0-based

Chorus

Parameter CC Range Usage Orientation
Chorus type 113 [0–127]
0-63: Basic; 64-127: Ensemble
 0-based
Chorus rate 114 [0–127] — 0-based
Chorus depth 115 [0–127] — 0-based
Chorus mix 13 [0–127] — 0-based

Delay

Parameter CC Range Usage Orientation
Delay type 110 [0–127]
0-31: Stereo; 32-63: Ping-pong; 64-95: Stereo sync; 96-127: Ping-pong + sync
 0-based
Delay time 111 [0–127] — 0-based
Delay feedback 112 [0–127] — 0-based
Delay mix 12 [0–127] — 0-based

Voice

Parameter CC Range Usage Description Orientation
Mode 116 [0–127]
0-15: Polyphonic; 16-31: Monophonic single trigger; 32-47: Monophonic multi trigger; 48-63: Unison single trigger; 64-79: Unison multi trigger; 80-127: Reserved
 — 0-based
Voices 97 [0–127]
0: All / Free; 1: All / Voice 1; 2: All / Voice 2; 3: All / Voice 3; 4: All / Voice 4; 5: All / Voice 5; 6: All / Voice 6; 7: All / Voice 7; 16: Even / Free; 17: Even / Voice 1; 18: Even / Voice 2; 19: Even / Voice 3; 20: Even / Voice 4; 21: Even / Voice 5; 22: Even / Voice 6; 23: Even / Voice 7; 32: Odd / Free; 33: Odd / Voice 1; 34: Odd / Voice 2; 35: Odd / Voice 3; 36: Odd / Voice 4; 37: Odd / Voice 5; 38: Odd / Voice 6; 39: Odd / Voice 7; 48: 1->7 / Free; 49: 1->7 / Voice 1; 50: 1->7 / Voice 2; 51: 1->7 / Voice 3; 52: 1->7 / Voice 4; 53: 1->7 / Voice 5; 54: 1->7 / Voice 6; 55: 1->7 / Voice 7; 64: 7->1 / Free; 65: 7->1 / Voice 1; 66: 7->1 / Voice 2; 67: 7->1 / Voice 3; 68: 7->1 / Voice 4; 69: 7->1 / Voice 5; 70: 7->1 / Voice 6; 71: 7->1 / Voice 7
Note: CC value = 16 x V1 + V2. V1 selects poly mode (0: All; 1: Even; 2: Odd; 3: 1->7; 4: 7->1). V2 selects mono voice (0: Free; 1-7: voice number). Values > 71 are reserved.
0-based

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