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mob(One Man Band) is the software version of the digital music instruments known as arranger keyboards, home keyboards and workstations. It creates auto-accompaniment based on the played chords and it adds auto-harmony to the played melody. Chords and melody can be played in realtime in the Live Window, with or without a connected MIDI keyboard controller or pre-entered in the Sequencer Window. It utilises standard style files compatible with the styles used in Yamaha PSR, DGX and Tyros arranger keyboards. There are thousands of these styles available on Internet and the included style editor can be used to tweak existing

What's New


This version replaces both OMB Originals and OMB Essentials.

Changes compared with OMB Essentials:

Live window:

  • Select from three device types to operate the actions: the computer keyboard, a MIDI keyboard controller or a touch screen. After selecting the option in menu Preferences>Live Control the layout of the Live Window will change


Mac OS X 10.4 or later

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Current Version (11.x)


Downloads 1,541
Version Downloads 784
License Demo
Date 04 Dec 2011
Platform OS X / PPC 32 / Intel 32
Price $49.95