@module >> @chorus, @phaser, ...

@moduleslot/status() ->
    /insert_engine(string engine),
    /insert_preset(string preset),
    /bypass(int bypassed)
@moduleslot/insert_engine(string engine)
@moduleslot/insert_preset(string engine)
@moduleslot/engine/{add: @module}
@moduleslot/set_bypass(int bypassed)

@track/add_clip(int pos, int offset, int length, string pattern)

/master/
/master/status() -> /sample_rate, /tempo, /timesig, /playing, /pos, /pos_ppqn
/master/tell() -> /playing, /pos, /pos_ppqn
/master/set_tempo(float tempo)
/master/set_timesig(int num, int denom)
/master/play()
/master/stop()
/master/seek_samples(int samples)
/master/seek_ppqn(int ppqn)

/meter/
/meter/get_peak() -> /peak(float left, float right)
/meter/get_rms() -> /rms(float left, float right)

/config/
/config/sections([string prefix]) -> [/section(string name)]
/config/keys(string section, string ?prefix) -> [/section(string name)]
/config/get(string section, string key) -> /value(string value)
/config/set(string section, string key, string value)
/config/delete(string section, string key)
/config/delete_section(string section)
/config/save(string ?filename)

/engine/
/engine/status() -> /scene(object scene)
/engine/render_stereo(int nframes)
/engine/master_effect/{add: @moduleslot}
/engine/new_scene() -> uuid
/engine/new_recorder() -> uuid

/scene/
/scene/transpose(int semitones)
/scene/clear()
/scene/load(string scene_name)
/scene/add_layer(int layer_pos, string layer_name)
/scene/add_instrument_layer(int layer_pos, string instrument_name)
/scene/delete_layer(int pos)
/scene/move_layer(int oldpos, int newpos)
/scene/instr/
/scene/instr/<name>/status() ->
    /engine(string name),
    /aux_offset(int first_aux_output_no),
    /outputs(int stereo_output_count)
/scene/instr/<name>/output/<index>/status() ->
    /gain_linear(float gain),
    /gain(float gain_dB),
    /output(int output_bus),
    {add: @moduleslot/status()}
/scene/instr/<name>/output/<index>/gain(float gain_dB),
/scene/instr/<name>/output/<index>/output(int output_bus)
/scene/instr/<name>/output/<index>/{add: @moduleslot}
/scene/instr/<name>/aux/<index>/status() ->
    /gain_linear(float gain),
    /gain(float gain_dB),
    /bus(string output_bus),
    {add: @moduleslot/status()} XXXKF ????
/scene/instr/<name>/aux/<index>/gain(float gain_dB)
/scene/instr/<name>/aux/<index>/bus(string bus)
/scene/instr/<name>/aux/<index>/{add: @moduleslot}
/scene/layer/<index>/
/scene/layer/<index>/status() ->
    /enable(int),
    /instrument_name(string iname),
    /instrument_uuid(string uuid),
    /consume(int consume),
    /ignore_scene_transpose(int ignore),
    /disable_aftertouch(int disable),
    /transpose(int semitones),
    /fixed_note(int note),
    /low_note(int note),
    /high_note(int note),
    /in_channel(int channel),
    /out_channel(int channel)
/scene/layer/<index>/enable(int)
/scene/layer/<index>/instrument_name(string iname)
/scene/layer/<index>/consume(int consume)
/scene/layer/<index>/ignore_scene_transpose(int ignore)
/scene/layer/<index>/disable_aftertouch(int disable)
/scene/layer/<index>/transpose(int semitones)
/scene/layer/<index>/fixed_note(int note)
/scene/layer/<index>/low_note(int note)
/scene/layer/<index>/high_note(int note)
/scene/layer/<index>/in_channel(int channel)
/scene/layer/<index>/out_channel(int channel)
/scene/aux/<name>/status
/scene/aux/<name>/slot/{add: @module}
/scene/load_aux(string name)
/scene/delete_aux(string name)
/scene/status() ->
    /name(string),
    /title(string),
    /transpose(int semitones),
    [/layer(string uuid)],
    [/instrument(string instance, string engine)],
    [/aux(string name, string uuid)]

/rt/
/rt/status() -> /audio_channels(int inputs, int outputs)
/song/
/song/status() -> [/track(int index, string name, int items)], [/pattern(int index, string name, int length)]
/waves/
/waves/status() -> /bytes(int bytes), /max_bytes(int max_bytes), /count(int count)
/waves/list() -> [/waveform(int id)]
/waves/info(int id) -> /filename(string), /name(string), /bytes(int)
/on_idle() -> {any}
/send_event_to(string output, int)
/send_event_to(string output, int, int)
/send_event_to(string output, int, int, int)
/play_note(int ch, int note, int velocity) (plays a note with duration=1 on the next buffer)
/play_drum_pattern(string pattern)
/play_drum_track(string track)
/play_blob(blob serialized_pattern, int length_ticks)
/stop_pattern()
/get_pattern() -> /pattern(blob serialized_pattern, int length_ticks)
/print_s(string)
/print_i(int)
/print_f(float)
/new_meter() -> /uuid
/new_recorder(string filename) -> /uuid