
“… I just know that, right now, … the biggest record selling business there is is rock and roll.”
Pop Chronicles: Show 55 - Crammer: A lively cram course on the history of rock and some other things http://digital.library.unt.edu/ark:/67531/metadc19838/m1/, interview recorded 1956 http://web.archive.org/web/20110615153027/http://www.library.unt.edu/music/special-collections/john-gilliland/o-s.