The collection consists of 78 rpm, 33 1/3 rpm, LPs, microgroove, shellac, acetate, vinyl, and transcription audio discs that comprised Sunwapta Broadcasting's (CFRN Radio's) music library for radio broadcast, and David Lennick's personal record collection. These two collections were intermixed by the Grant MacEwan College Music Library so are no longer distinct entities. The collection consists mainly of popular music, sound effects, production music, and syndicated radio plays and programs. The original Sunwapta Broadcasting Co. collection consisted of approximately 14,500 audio discs of a mix of American, Canadian, British and other commercial recordings of music, 1920s to 1950s, that comprised Sunwapta Broadcasting's (CFRN's) music library for radio broadcast. Music genres include big band, Christmas, classical, country/western, easy listening, ethnic, pop/jazz vocalist, folk, French, gospel/spiritual, instrumental/easy listening, jazz, military, novelty, rhythm and blues, rock and roll, and sacred. The original David Lennick collection consisted of approximately 2500 audio discs of a mix of American, Canadian, British, and other commercial recordings of sound effects, production music, syndicated radio plays and programs, and classical, jazz, western and popular music.