Hi, you don't need to change the existing code to do this, just use the "set_kb_transpose" command in a NGR script. Following example demonstrates this: https://github.com/midibox/mios32/blob/master/apps/controllers/midibox_ng_v1/cfg/tests/kb_6.ngr And here the corresponding events which trigger the ^sections: https://github.com/midibox/mios32/blob/master/apps/controllers/midibox_ng_v1/cfg/tests/kb_6.ngc