From imdb - An 80's one-hit wonder band named The Suburbans reform for a special performance at one of the ex-member's wedding. At the wedding, a young record company talent scout happens to be in the audience and decides to give the now 40-ish performers a comeback push. The film attempts to take a satirical look at the music business of the 90's and compare it to the simpler 80's scene.
Starring Will Ferrell, Craig Bierko and Jennifer Love Hewitt, with Ben Stiller. Produced by none other than J.J. Abrams.