11. Waltz in A-flat Major, Op. 32, No. 1 Collection: Concert Programs (SOM) Contributers: Chopin, Frederic (composer) and Yingxiang Yang (piano) Performance: Student Recital Performance Date: 2014-12-06 Location: Music and Performing Arts Library, University of Illinois Concert Program: 2014 July-Dec, PT. 1, p. 93 Notes: Piano Laboratory Program