When two superb pianists, Paul Hofmann and Chris Ziemba, team up at Kilbourn Hall, it will be a CD release celebration for their new album, "Who Knows?" Hofmann, a long-time favorite on the Rochester jazz scene, has played with Ron Carter, Steve Gadd, Karrin Allyson, Dianne Reeves, and many more. Ziemba, a former student of Hofmann has been a guest on Marian McPartland's "Piano Jazz," and won the prestigious Jacksonville Jazz Piano Competition.

Paul Hofmann and Chris Ziemba will perform Wednesday, July 8, at Kilbourn Hall, Eastman School of Music, 26 Gibbs Street. 7:30 p.m. $10 (free with UR ID). 274-1100; esm.rochester.edu.