Rolling Stone — • John Mayer’s Dirty Mind & Lonely Heart • News Ticker: Amy Winehouse, Kate McGarrigle • Jay-Z, Muse, Gorillaz Set for Coachella • Jeff Beck Blends Classical, Rock on April LP • DMB, Lady Gaga Rock for Haiti Relief • Jay Reatard Remembe... more info

Guardian Music — The Irish stadium rockers and the hip-hop heavyweight are to release a charity single in aid of victims of the Haiti earthquakeU2 have teamed up with Jay-Z to release a charity single in aid of victims of the earthquake in Haiti. Speaking to Irish ra... more info

AngryApe — It has become the most played song on radio more info

MTV.com News — Wrapping up Pop Week, we examine this year's sure-to-be-epic pop-princess battle.By Jocelyn Vena Taylor Swift Photo: Larry Busacca/ Getty Images Last year laid the groundwork for one epic pop-princess battle. Now, 2010 will be the year we ... more info

MTV.com News — All week, MTV News takes a look at the pop superstars that are sure to impact your 2010 in a big way. Photo: Steve Granitz/ Getty Images Related Artists Justin Bieber Ke$ha Taylor Swift Lady Gaga more info

Guardian Music — How the stars can rock the red carpet at the Brits, the Baftas and the OscarsThe BritsWhen and where: Earls Court, London, 16 FebruaryThe dress code: Big black knickers, possibly adorned with Swarovski crystals or ostrich feathers. With Lady Gaga, Li... more info

Perez Hilton — Hurray! Lady Gaga's latest smash hit, Bad Romance, has set the record for most weekly plays registered in Billboard's Pop Songs radio airplay tally history. Last week, the song was played 10,859 times across the nation, knocking Leona Lewis out of he... more info

The Independent — On January 18, The BRIT Awards announced its 2010 nominations for the best pop music of the year. Leading the way with three BRIT nominations each are Lady Gaga, Florence & The Machine, Lily Allen, and Pixie Lott. more info

411 Mania — This is why I don't listen to FM radio... more info

Rolling Stone — It’s been a week since the tragic earthquake struck Haiti, and as the full scope of the tiny nation’s devastation continues to be revealed, musicians are ramping up efforts to bring relief and comfort to the disaster’s survivors. Here’s a run... more info