MobileDJ Pro 1.03
Mix audio, video, & visualizations like a professional DJ, VJ, and KJ
It help musicians the easiest possible method for creating rhythm guitar parts.
HappyEO is a virtual instrument with your computer keyboard and mouse.
It is a MIDI sequencing program for Mac and Windows.
MusicMakerPro Polyphonic Synthesizer
The Midifile-Optimizer lets you customize your midi files.