Coldplay's Chris Martin, U2's Bono, and the Killers' Brandon Flowers sharing one stage -- talk about a dream collaboration!

Brit rockers Starsailor aren't the biggest British band in the U.S., but they certainly have a fan in Killers frontman Brandon Flowers, who remixed the band's latest single, "Tell Me It's Not Over," and added backing vocals, piano, and more to the track.

The Killers began their 2009 North American tour at the University of Denver’s 8,000-person capacity Magness Arena Saturday night. And though the show was plagued by sound issues and got off to a shaky start, the night ultimately proved the tour will be remembered for its dazzling production and the Las Vegas quartet's anthemic tunes.

Las Vegas rock quartet the Killers have announced 16 more shows for their North America tour in support of Day and Age, the band's SPIN-approved third album that dropped last November.

Brandon flowers is on the couch. Both literally -- the dressed-down Killers lead singer is fidgeting on an oxblood leather love seat in the lobby of Hollywood's historic Roosevelt Hotel -- as well as figuratively -- dude can't help but dig deep. "I know I say things that other people don't," confesses Flowers, 27. "I process what I'm thinking and say it anyway.

We've already revealed our most important albums, songs, and videos of 2008, but what music garnered your interest this year?