PLAY-A-LONG title of JAMEY AEBERSOLD JAZZ publisher, which is determined for intermediate to advanced vocalists and musicians playing any music instrument. The sheet includes lyrics for each single song and sheet music for every pitch (C, Bb, Eb and C instruments playing in bass clef). The attached CD includes „live“ accompaniment without melodic instrument or vocal, the melody and improvisaiton is waiting just for you. For piano and bass practice the left and right channels are divided as P – piano and L – bass, drums). Very worthy, beneficial and variable title.