One Man Band is a combination of a virtual arranger keyboard, a style based sequencer/arranger and a style editor. It utilizes standard style files compatible with the styles used in Yamaha PSR, DGX and Tyros arranger keyboards. It can play the thousands of Yamaha styles that are available on internet and it can create styles that can be played on a Yamaha keyboard and in XG Works.

OMB allows you to have the presets of up to 3600 songs at your fingertips including text with chords and lyrics or even a scrolling display of the score. The song presets may also include a wave/mp3 intro or play a multimedia file as backing track instead of a style. Karaoke files will be displayed with scrolling text in a large font. An editor to create Karaoke files is included. A large number of chord recognition methods is available, also for MIDI guitars, MIDI accordions and MIDI Pedals. In full keyboard mode you can play the entire keyboard and use a foot-switch for chord fixation to indicate when chords should be recognized from the keyboard for the auto-accompaniment and when not.

OMB can be used as a pre-production tool. In the arranger and song window you can quickly try ideas with a lot of different styles, variations and chord sequences. A complete sequencer to operate on any MIDI file is included too. All detailed event editing is done in easy event lists and piano rolls. The result can be saved in a MIDI- or wave-file for further operations elsewhere.