The originators of the concept after Music Minus One LPs were Thomas & Ginex Jam Tapes made available in 1976 and followed by Mel Bay publications Jam Books which were packaged with a T & G Jam Tape. These tapes differed from any practice tracks produced after their introduction inasmuch as each Jam Tape selection was a track that continued for a full half hour, allowing the player to practice without having to rewind the cassette after 4 or 5 minutes of play time, an invaluable asset to practicing improvisation. Jam Tracks for Native American Flute
