1. Panel Discussion with "selections from Musica Festivo and 12 Concert Pieces" by Nelhybel Collection: Concert Programs (SOM) Contributers: Vaclav Nelhybel, Mark Hindsley, Ben Johnston (Robert Gray) Performance: Performance Performance Date: 1967-11-09 Location: Music and Performing Arts Library, University of Illinois Concert Program: vol. 16, p. 373