1. Octet, Op.103 Collection: Concert Programs (SOM) Contributers: Beethoven, Ludwig van (composer) and Charles L. Yassky, clarinet, with Dennis Trainor, Lawrence Thee, Stenford Johansen, Louis Hall, Phillip Chilcote, James Keays (Steven Pierson) Performance: Performance Performance Date: 1971-03-10 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 19, p. 312