Skip to content

Chase Bliss CBA Mood MKII MIDI CC chart, NRPN and OSC map

The Chase Bliss CBA Mood MKII MIDI implementation: 55 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Chase Bliss CBA Mood MKII
Vendor Chase Bliss
OSC prefix /cba_mood_mkii
Source πŸŽ›οΈ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/chase-bliss/cba_mood_mkii.json
Not tested on the device yet

This driver comes from documentation or community data and has not been checked on real hardware. If you own one, a quick test and a pull request promoting it helps everyone β€” see CONTRIBUTING.

How do you control it?

Find the MIDI ports, then start the bridge with this driver:

osc-bridge detect        # prints the ready-to-run line for what is plugged in
osc-bridge run --device devices/chase-bliss/cba_mood_mkii.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /cba_mood_mkii/time 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as cba_mood_mkii: ask β€œwhat can the Chase Bliss CBA Mood MKII do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (55)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/cba_mood_mkii/time 14 0–127 continuous
/cba_mood_mkii/wet_mode 21 0–127 continuous
/cba_mood_mkii/wet_modify 17 0–127 continuous
/cba_mood_mkii/clock 18 0–127 continuous
/cba_mood_mkii/ramp_speed 20 0–127 continuous
/cba_mood_mkii/ramp_bounce 52 0–127 continuous
/cba_mood_mkii/looper_modify 19 0–127 continuous
/cba_mood_mkii/looper_mode 23 0–127 continuous
/cba_mood_mkii/direct_loop 29 0–127 continuous
/cba_mood_mkii/ramping_wave 25 0–127 continuous
/cba_mood_mkii/wet_bypass 103 0–127 continuous
/cba_mood_mkii/wet_freeze 105 0–127 continuous
/cba_mood_mkii/looper_bypass 102 0–127 continuous
/cba_mood_mkii/wet_tone 27 0–127 continuous
/cba_mood_mkii/level_balance 28 0–127 continuous
/cba_mood_mkii/loop_overdub 106 0–127 continuous
/cba_mood_mkii/wet_width 24 0–127 continuous
/cba_mood_mkii/wet_routing 22 0–127 continuous
/cba_mood_mkii/length 16 0–127 continuous
/cba_mood_mkii/loop_fade 26 0–127 continuous
/cba_mood_mkii/mix 15 0–127 continuous
/cba_mood_mkii/expression 100 0–127 continuous
/cba_mood_mkii/alt_menu 104 0–127 continuous
/cba_mood_mkii/time 61 0–127 continuous
/cba_mood_mkii/wet_modify 62 0–127 continuous
/cba_mood_mkii/clock 63 0–127 continuous
/cba_mood_mkii/loop_modify 64 0–127 continuous
/cba_mood_mkii/length 65 0–127 continuous
/cba_mood_mkii/bounce 66 0–127 continuous
/cba_mood_mkii/sweep 67 0–127 continuous
/cba_mood_mkii/polarity 68 0–127 continuous
/cba_mood_mkii/classic 71 0–127 continuous
/cba_mood_mkii/miso 72 0–127 continuous
/cba_mood_mkii/spread 73 0–127 continuous
/cba_mood_mkii/dry_kill 74 0–127 continuous
/cba_mood_mkii/trails 75 0–127 continuous
/cba_mood_mkii/latch 76 0–127 continuous
/cba_mood_mkii/no_dub_loop 77 0–127 continuous
/cba_mood_mkii/smooth 78 0–127 continuous
/cba_mood_mkii/tap_tempo 93 0–127 continuous
/cba_mood_mkii/midiclock_sync 51 0–127 continuous
/cba_mood_mkii/exit_synthmode 59 0–127 continuous
/cba_mood_mkii/oct_trans 57 0–9 continuous
/cba_mood_mkii/portamento 84 0–127 continuous
/cba_mood_mkii/mod_wheel 1 0–127 continuous
/cba_mood_mkii/adsr 80 0–127 continuous
/cba_mood_mkii/adsr 81 0–127 continuous
/cba_mood_mkii/adsr 82 0–127 continuous
/cba_mood_mkii/adsr 83 0–127 continuous
/cba_mood_mkii/output_type 58 0–127 continuous
/cba_mood_mkii/buffer_length 33 0–127 continuous
/cba_mood_mkii/spread_solo 32 0–127 continuous
/cba_mood_mkii/sync_lead 31 0–127 continuous
/cba_mood_mkii/wet_clk_div 53 0–127 continuous
/cba_mood_mkii/loop_clk_div 54 0–127 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /cba_mood_mkii/note/on <note> <velocity>, /cba_mood_mkii/cc/<number> <value>, /cba_mood_mkii/pitchbend <0-16383>, /cba_mood_mkii/program_change <n>.

Limitations

Imported from an Electra One community preset. The mapping reflects the preset author's editorial choices: parameter naming, ranges, and which params are exposed. Untested on hardware in this repo.

Frequently asked questions

How many parameters of the Chase Bliss CBA Mood MKII can be controlled over MIDI?

SynthHub's map of the Chase Bliss CBA Mood MKII lists 55 MIDI CC parameters, each with its number, range and a readable name; the full chart is on this page.

Can an AI agent like Claude control the Chase Bliss CBA Mood MKII?

Yes: SynthHub's hosted MCP server knows the Chase Bliss CBA Mood MKII's MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.