MTV.com News — The Strokes, Arcade Fire and Phoenix also headline the August fest in Chicago.By James Montgomery Lady Gaga Photo: Marco Prosch/ Getty Images Lady Gaga is bringing the Monster Ball to Lollapalooza this August. Hope she's packing some sunscr... more info

Pitchfork — The folks behind Lollapalooza have spent the past week dropping hints about this year's lineup, announcing artists one letter at a time, via a sort of hangman or Wheel of Fortune game. And though it's been fun to hazard guesses about what bands will ... more info

Rollo & Grady — Dan Auerbach of The Black Keys Lollapalooza 2010 Lineup: Soundgarden, Green Day, Lady Gaga, Arcade Fire, The Strokes, Phoenix, Social Distortion, MGMT, Jimmy Cliff, Hot Chip, the Black Keys, the National, Spoon, Devo, Cypress Hill, Cut Copy, The New ... more info

Nialler9 — Now Wave – Glo-Fi Mix 1. Toro Y Moi – Thanks Vision 2. Small Black – Despicable Dogs (Washed Out Remix) 3. Grizzly Bear – Cheerleader (Neon Indian Remix) 4. Neon Indian – 6669 (I Don’t Know If You Know) 5. Floating Points – Vacuum Boogi... more info

Rolling Stone — Lollapalooza organizers have added another letter to their Wheel of Fortune-style lineup puzzle: R. The new clue has helped reveal a new host of potential acts, including Green Day, Arcade Fire, Social Distortion, Grizzly Bear and Wolfmother. As Roll... more info

Pitchfork — On debut EP The Years, the young Guelph, Ontario duo Memoryhouse layer reverb over wistful, bittersweet hooks and minimal drum machine tics like a more fresh-faced Beach House. Evan Abeele, a student of classical music, originally intended Memoryhous... more info

Pitchfork - Tours — 03-30 Toronto, Ontario - Opera House #04-01 Pontiac, MI - Pike Room #04-02 Chicago, IL - Metro #04-03 Milwaukee, WI - Pabst Theater #04-04 Minneapolis, MN - Cedar Cultural Center #04-05 Omaha, NE - Waiting Room #04-06 Lawrence, KS - Jackpot Saloon #0... more info

Guardian Music — Two new albums show a surge in forward thinking in a derivative ageIt probably helps that you like jazz when it comes to swashbuckling new albums by Polar Bear (Peepers – quick-witted, feisty, melancholy) and Brad Mehldau ( the two-CD Highway ... more info

Brooklyn Vegan — photos by Bryan Bruchman Spinner: You had an EP out in October, produced by Grizzly Bear's Chris Taylor. How did you team up with him? Acrylics: Chris Taylor saw us play some shows, and we had some friends in common.... more info

Guardian Music — Paul Morley delves into experimental jazz with Mercury-nominated Shoreditch quintet Polar Bear and Florida-born pianist Brad Mehldau It probably helps that you like jazz when it comes to swashbuckling new albums by Polar Bear (Peepers – quick-... more info