Cakewalk Pro Audio One of the best digital audio recording and sequencing program out there. Cakewalk has been a long time fave of CleverJoe's. Another excellent music program from Steinberg. Check out this resource site for info on Cubase products. Finale Powerful professional music notation and printing program.
Finale continues to be the industry standard against which all other notation programs are compared.
FruityLoops Pro Way cool program for creating drum loops, includes a built-in drum machine. Also see CleverJoe's drum software page Howling Dog Systems Makers of Power Chords Pro, a guitar oriented sequencer. Over 200 band styles included. Jazz Ware Full featured, audio capable midi sequencer for Windows and Linux. Versatile editing functions.