For those who have been wondering about the practical translation of the dress code mentioned in Animal Collective’s "Summertime Clothes" ever since the Merriweather Post Pavilion tune first surfaced last winter, your answer is finally here: plastic bubble suits.

John Mayer has challenged Kanye West's 808s and Heartbreak by singing over a hip-hop beat on his new track, which features the lyric: "I like sex / And I'm good at it." What's next? Mayer's ex, Jennifer Aniston, finds a personality? [YouTube]

The lineup for the eighth annual Bonnaroo Music and Arts Festival has been announced -- and it's quite a doozy: Bruce Springsteen and the E Street Band, Phish (playing two sets), the Beastie Boys, Wilco, and Nine Inch Nails are just a few of the big-name artists scheduled to appear.

This week the music world caught a powerful case of Obamamania. Arcade Fire rocked a party for the President's staff, Daft Punk and Will.i.Am tipped their musical hats (or, in Daft Punk's case, robot helmets) to the Commander in Chief. Even Be Your Own Pet's Jemina Pearl and Animal Collective embraced Obama's message of change.

For a band whose recorded output is consistently stellar, Animal Collective have never been a reliable live act; their sets have ranged from great to incomprehensible. But last night at New York City's Grand Ballroom, the art rockers kicked off their U.S. tour and celebrated their critically-acclaimed ninth studio record, Merriweather Post Pavilion, with an excellent, hour-long set that featured both Merriweather highlights and fan favorites.

Buzzed-about art rockers Animal Collective -- featured in SPIN's January issue -- have extended their world tour in support of their SPIN-praised new album, Merriweather Post Pavilion.