Jack White, singer with US rock band The White Stripes, has been charged with assault after an alleged fight with the frontman of another group.
Jack and Meg White were recently up for four Grammys
White, 28, is accused of attacking Von Bondies singer Jason Stollsteimer in a Detroit club on 13 December.
Prosecutors in Wayne County, Michigan, said he could be imprisoned for a year if convicted of aggravated assault.
The White Stripes, a duo consisting of White and Meg White, have been nominated for three Grammy awards.
Their Grammy-nominated album Elephant has been hailed by rock critics as one of the best of 2003.
White has received a fourth Grammy nomination for his solo work. He contributed music to director Anthony Minghella's US Civil War drama Cold Mountain.
The alleged assault happened at Detroit's Magic Stick club. Stollsteimer, 25, was treated for facial injuries at a Detroit hospital and later released.