11. Variation on "Nel cor piu non mi sento" Wo 070 Collection: Concert Programs (SOM) Contributers: Beethoven (composer) and Katherine Lynn Coyle (piano) Performance: Piano Recital Performance Date: 1986-05-03 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.35 p.333
12. Waltz in F# minor, op. 40, No. 9 Collection: Concert Programs (SOM) Contributers: Tchaikowsky (composer) and Shasha Daniel (piano) Performance: Piano Recital Performance Date: 1986-05-03 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.35 p.333