This series consists mostly of 273 audio cassette tapes of operas, musicals, movie scores, and other performances recorded and collected by George Nader. Other items in the series include CD-ROMS, floppy disks, Zip disks, a DVD, a VHS tape, and a video reel containing manuscript drafts, photographs, event invitations, and Nader's 1965 film Mordnacht in Manhattan.