"Hello, Hello," Lady Gaga's buzzed-about collaboration with Elton John, will be released on February 8. The song will be featured in the forthcoming Disney movie Gnomeo & Juliet. Check out Joanna Newsom performing her stunning song "On a Good Day" on Letterman below. Best part: Letterman waxing on her over-the-top set, which included a stuffed peacock. "It looks like Sarah Palin's den," he joked. Glee star Cory Monteith has rock star ambitions: the actor is drumming in the pop-rock band Bonnie Dune, and the band will perform a live show on January 9 at L.A.'s Roxy. Bright Eyes will hit the road next March for a thirteen date U.S. tour, including previously announced shows with Superchunk at New York's Radio City Music Hall. The tour kicks off on March 2 in Miami and wraps on March 17 at Nashville's Ryman Auditorium. Bright Eyes will release their seventh album The People's Key on February 15. Gossip singer Beth Ditto is working with U.K. dance-rock duo Simian Mobile Disco on a four-track solo EP, which hits stores in January. Guided By Voices frontman Robert Pollard will release four new albums throughout early 2011, including the solo disc Space City Kicks and an LP with Lifeguards, his side-project with ex-GBV member Doug Gillard. Irish folk-rockers The Frames are offering up a 20-song live recording to benefit charity. The download — from a November 23 RED(NIGHT) concert in Chicago — will raise money for the Global Fund, which helps fight AIDS in Africa. Pick it up here.