Mozart Mystery Mozart Mystery Audio will be available later today. Facebook Twitter Google+ Email July 9, 200412:00 AM ET We don't know whether the Sinfonia Concertante for Oboe, Clarinet, Horn and Bassoon is by Mozart or not. Either way, it's always been attributed to Mozart. It's performed in concert by the Wurttemberg Chamber Orchestra. Facebook Twitter Google+ Email We no longer support commenting on NPR.org stories, but you can find us every day on Facebook, Twitter, email, and many other platforms. Learn more or contact us.