Ken Tucker

Confessions on a Dance Floor, the new CD from Madonna, represents her renewed devotion to dance music. The songs echo propulsive disco favorites of the '70s, updated with Madonna's flair for the dramatic.

Baby is the new album by the group The Detroit Cobras, who specialize in playing raucous cover versions of other musicians' songs.

Z is the new album from the band My Morning Jacket. The record from the Louisville, Ky., band led by Jim James is its follow-up to 2003's popular It Still Moves.