1. 33 Variations on a Waltz of Diabelli, Op. 120 Collection: Concert Programs (SOM) Contributers: Beethoven (composer) and William Heiles (pianist) Performance: Faculty Piano Recital Performance Date: 1988-07-25 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.37 p.625
2. Sonata in G Major, D. 894 Collection: Concert Programs (SOM) Contributers: Schubert (composer) and William Heiles (pianist) Performance: Faculty Piano Recital Performance Date: 1988-07-25 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.37 p.625