Anyone know of good Music Apps For Android?

Hey
Im new to the whole smartphone generation and installed a grooveshark music app for android on my phone only to be told its a 2 week trail and they want €9pm after that!
any one know of a good free music jukebox app like grooveshark that i can enjoy free music, like an online jukebox?
i have tryed googling it but its way over my head if the things im reading are what im looking for
thanks everyone
Answer #1
Google Music.
Answer #2
Im still searching and no matter what i do Goole Music will not appear in Andriod Market
any other suggestions?
CNET suggests ‘Player Pro’ but thats not appearing either!
My phone is a Samsung Europa with android 2.1