"I Used to Play" is a new series for adults looking to get back into playing their instruments of yesteryear, and will help jumpstart their memory and comfort with music.

Its #1 goal is to get people re-acquainted with their instrument(s) by not only reviewing theory and technique with etudes, but also providing them with types of music they want to play, like pop, jazz, and classical tunes.

Each book contains online audio MP3 files of complete performances of most songs, plus accompanim...