Improviser is a real-time music generation program written in Python; and it is open source too! You can get it for free at Python's cheese shop. This primitive homepage hosts all user uploads. You can see and download what others have created with the program and try it for yourself.

Songs

Complete songs (*.imp)

Last songModern Dance by bart

Progressions

Browse and download chord progressions (*.prg)

Last progressionEels - Beautiful Blues by bart

Instruments

Bands and ensembles (*.ins)

Last instrumentband vreni by vreni

Blocks

Abstract blocks guiding the progressions and instruments (*.blk)

Last block