Chase Bliss Gravitas MIDI CCs & NRPNs

MIDI implementation details for the Chase Bliss Gravitas.

Last update: February 10, 2026 • 12 parameters


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

Sound control

Parameter CC Range Usage Orientation
Drive 14 [0–127] 0-based
Volume 15 [0–127] 0-based
Tone 16 [0–127] 0-based
Rate 17 [0–127] 0-based
Depth 18 [0–127] 0-based
Sway 19 [0–127] 0-based
Ramp 20 [0–127] 0-based

Other

Parameter CC Range Usage Orientation
Note division 21 [0–5]
0: Whole notes; 1: Half notes; 2: Quarter note triplets; 3: Quarter notes; 4: Eighth notes; 5: Sixteenth notes
0-based
MIDI clock ignore 51 [0–127]
0: Ignore MIDI clock messages; 127: Listen for MIDI clock messages
0-based
Tap switch 93 [0–127]
0-127: Tap tempo
0-based
Expression 100 [0–127] 0-based
Bypass 102 [0–127]
0: Bypass pedal; 127: Engage pedal and reset ramping
0-based

This dataset is provided under the Creative Commons Attribution Share Alike 4.0 International license.