• Record, Playback MIDI data.
• Edit MIDI data using Piano-Roll, Event List and MIDI tools.
• Visualize MIDI events in different modes of drawing.
• Use independent Mute, Solo, Channel, Patch, Port, Bank settings and more for each track.
• Edit clips of Orchestrator tracks.
• Control track properties, Instrument Definitions, Volume, Pan, and other MIDI controllers Envelopes.
• Save/Open song in *.mid, *.opr (Onyx Project) and *.otp (Template) formats.

Arranging

• Use any number of OOStyles in any place in your song.
• Generate accompaniment according to the used Key/Scale and Chords.
• Use an OOStyle in any Meters or its combinations.
• Flexibly control the Fill positioning.
• Perform all music nuances of initial pattern - Controllers, Meter and Tempo changes.

Harmonizing

• Harmonize your tune or imported MIDI file.
• Use different styles of Harmonization.
• Use AutoSearch of Best Chord Progressions.
• Control the process using objective quality estimation.

Scale / Chord system

• Create, Edit, Save Chord Progressions in different Meters.
• Load Chord Progressions of one meter in a song with a different meter.
• Use more than 100 Chord types for arranging.
• Transpose Keys and Chords of any part of Chord Progression independently.
• Use Associated, Inverted or Limited sets of chords automatically created for the current Key/Scale.
• Use automatic color indications of Key/Scale - Chord relation, if you like.
• Use # and b type of chords showing.

Rendering

• Render any measures and any Orchestrator Tracks combination into main tracks.
• Render any measures and different Bass/Chord tracks combination of Chord Audition tool into main tracks.

Additional options

• Show playing notes and current chords in Keyboard view in different modes.
• Show and edit current chords in zoom Chords Pane.
• Audition current chords in different modes using Chord Audition tool.
• Optimize controllers and parameters sending using Optimization settings.