11. Wie sollten wir geheim sie halten, Op. 19, #4 Collection: Concert Programs (SOM) Contributers: Strauss (composer), Jillian Hansen (soprano), and David Holkeboer (pianist) Performance: Master of Music Voice Recital Performance Date: 1980-11-23 Location: Music and Performing Arts Library, University of Illinois Concert Program: v.29 p.749