You can play music as if you had a MIDI keyboard connected to your computer -- without the hardware hassle. Mouse Keyboard makes it easy to compose your music while on the road with only a laptop, or to play software synthesizers like Reason live with your computer keyboard. Additionally, it can serve as a virtual control surface using mouse, mouse wheel, and joysticks as input. play and compose music with the mouse or the computer keyboard,play and entire chords with just one note. With chord editor,transpose all MIDI notes,instrument name support by way of patch scripts,user defineable knobs to control MIDI synths and software,use your mouse wheel to send pitch bend and controllers,use your joysticks as MIDI controller and tutorials for Reason (with control surface mapping), Cubase, Sonar, Acid.