Renowned conductor Leonard Slatkin discusses “D. Bach L”, the November 25 Chamber Music Society of St. Louis concert featuring the music of Peter Schickele, a.k.a. PDQ Bach. Maestro Slatkin, who knew Peter for many years, talks about the classically trained composer’s incredible talent and shares selections that will be on Monday’s program. For more information and tickets, visit chambermusicstl.com.