Want to be a back-up singer for Alicia Keys? The R&B star is inviting female singers who are aged 21 to 30 to “audition” via MySpace.

Hopefuls have until today to submit a video, 30 seconds or longer, of themselves singing acapella to Keys’ MySpace site (www.myspace.com/aliciakeys); according to a release.

Ideal candidates “must be physically fit and able to dance.” Keys’ current tour dates run through June 18.