1. Cancione Popular Catalan - Guitar Collection: Concert Programs (SOM) Contributers: Anon. (composer) and Ken Rothacker (guitar) Performance: Senior Flute and Guitar Recital Performance Date: 1980-04-17 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.29 p.272
2. Sonate in A Major, Opus 85 Collection: Concert Programs (SOM) Contributers: Giuliani, Mauro (composer), Debbie Carlson (flute), and Ken Rothacker (guitar) Performance: Senior Flute and Guitar Recital Performance Date: 1980-04-17 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.29 p.272