Music critic Tom Manoff listens to a new CD of Clarinet Quintets. The works are by Mozart and by Brahms performed by David Shifrin and the Emerson String Quartet. Manoff says he's heard these works many times, and was very pleased by the intimacy and passion in the performances. (5:15) The CD is called Mozart/Brahms Clarinet Quintets. Performed by David Shifrin and the Emerson String Quartet, on Deutsche Grammophon Records.