Jamey Aebersold (born July 21, 1939 in New Albany, Indiana) is an American jazz saxophonist and music educator. His "Play-A-Long" series of instructional book and CD collections, using the chord-scale system, the first of which was released in 1967, are an internationally renowned resource for jazz education. As of 2009, 126 of these collections have been published by Aebersold, who taught musical improvisation at the University of Louisville for a number of years. He is also an adept pianist, bassist, and banjoist..