11. Tyndaris Collection: Concert Programs (SOM) Contributers: Hahn (composer), Robert Minor (tenor), and Peter Simon (pianist) Performance: Masters of Music Voice Recital Performance Date: 1975-07-13 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.24 p.398
12. Variations on "Unter der Linden grune" Collection: Concert Programs (SOM) Contributers: Sweelinck, Jan Pieterszoon (composer), James Ketch (trumpet), Jay Peterson (organ), and Ritchie Clendenin (trumpet) Performance: Trumpet and Organ Recital Performance Date: 1975-07-13 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.24 p.400