MTV's Musical March Madness is back! Here's some info and rules for this year's tournament:

• To vote: Find the match on the bracket with your favorite artist or band in the active round. Click on the match. Login with either Facebook, Twitter or your email (logging in will not automatically post anything to your accounts.) At the bottom of each match you will find a poll. Vote away, and share on Facebook and Twitter!

• Voting will be monitored. All votes determined to be submitted by bots or scripts will be removed.

• Keep it clean in the chat - we're all music fans here! Spammers and Trolls will be blocked.

• Schedule of rounds:

3/17-3/24: Round 1 (64 bands)
3/24-3/31: Round 2 (32 bands)
3/31-4/2: Round 3 (Sweet 16)
4/2-4/4: Round 4 (Elite 8)
4/4-4/7: Round 5 (Final 4)
4/7-4/9: Round 6 (Championship, final 2)
4/9: Winner!

• Voting closes in each round at 12pm EST, and opens shortly after.

May the best band or artist win!