Tonmeister is the perfect add-on for CLOCKWOrK, but can of course also be used alone. It forces MIDI notes to a given scale. Additionally it can generate chords for a single MIDI note. Tonmeister is included free with CLOCKWOrK. Features: MIDI notes will be forced to the given scale and root key root key can be automatically set by notes on a second MIDI channel generate chords for a single key MIDI channel for input notes, auto root key and output can be set individually Available for Windows PC as VST-plugin. Price: free with CLOCKWOrK.