aTunes Pro
Manage an play all your music and have a lot of extra features with this program.
MediaMonkey
Manage and otganize all your multimedia files in a simple way with program for your computer.
Dapyx MP3 Explorer
Create a data base of your MP3 and find them whenever you want.
Nightingale
This application is similar to iTunes but you will have more power with it
Niko Neko Pureya
With this application you can play music with manga design
Trout
Trout is a music player with low weight that you can have in your computer