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Torso S4(inProgress): MIDI CC, NRPN and OSC map

The Torso S4(inProgress) as named OSC addresses — 44 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device Torso S4(inProgress)
Vendor Torso
OSC prefix /s4_inprogress
Source 🎛️ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/torso/s4_inprogress.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 — 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/torso/s4_inprogress.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /s4_inprogress/track_1 0

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as s4_inprogress: ask “what can the Torso S4(inProgress) do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (44)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/s4_inprogress/track_1 46 -40–0 continuous
/s4_inprogress/filter 50 -50–50 continuous
/s4_inprogress/filter 51 -50–50 continuous
/s4_inprogress/filter 52 -50–50 continuous
/s4_inprogress/filter 53 -50–50 continuous
/s4_inprogress/track_2 47 -40–0 continuous
/s4_inprogress/track_3 48 -40–0 continuous
/s4_inprogress/track_4 49 -40–0 continuous
/s4_inprogress/color 94 0–127 continuous
/s4_inprogress/color 95 0–127 continuous
/s4_inprogress/color 96 0–127 continuous
/s4_inprogress/color 98 0–127 continuous
/s4_inprogress/color 94 0–127 continuous
/s4_inprogress/color 95 0–127 continuous
/s4_inprogress/color 96 0–127 continuous
/s4_inprogress/color 98 0–127 continuous
/s4_inprogress/color 94 0–127 continuous
/s4_inprogress/color 95 0–127 continuous
/s4_inprogress/color 96 0–127 continuous
/s4_inprogress/color 98 0–127 continuous
/s4_inprogress/color 94 0–127 continuous
/s4_inprogress/color 95 0–127 continuous
/s4_inprogress/color 96 0–127 continuous
/s4_inprogress/color 98 0–127 continuous
/s4_inprogress/space 112 0–127 continuous
/s4_inprogress/space 113 0–127 continuous
/s4_inprogress/space 110 0–127 continuous
/s4_inprogress/space 114 0–127 continuous
/s4_inprogress/space 112 0–127 continuous
/s4_inprogress/space 113 0–127 continuous
/s4_inprogress/space 110 0–127 continuous
/s4_inprogress/space 114 0–127 continuous
/s4_inprogress/space 112 0–127 continuous
/s4_inprogress/space 113 0–127 continuous
/s4_inprogress/space 110 0–127 continuous
/s4_inprogress/space 114 0–127 continuous
/s4_inprogress/space 112 0–127 continuous
/s4_inprogress/space 113 0–127 continuous
/s4_inprogress/space 110 0–127 continuous
/s4_inprogress/space 114 0–127 continuous
/s4_inprogress/cr_co_noi_ti 97 -50–50 continuous
/s4_inprogress/level 115 0–127 continuous
/s4_inprogress/xy_pad 111 0–127 continuous
/s4_inprogress/dial 116 -50–50 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /s4_inprogress/note/on <note> <velocity>, /s4_inprogress/cc/<number> <value>, /s4_inprogress/pitchbend <0-16383>, /s4_inprogress/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.