Catch this month's broadcast of the Chamber Orchestra of Philadelphia. Music Director Dirk Brossé leads a program that includes The Rococo Variations for cello and orchestra by Tchaikovsky, the Vaughan Williams Oboe Concerto, and Barber's beloved Adagio for Strings. Hai-Ye Ni is cello soloist in the program, and Geoffrey Deemer is oboe soloist. Sunday, August 19th from 5 to 6 pm.