Practice soloing and learn to improvise in your favorite style by jamming with the live backup band on the Jam Trax CD. Learn the techniques of the Professionals! The Jam Trax books provide suggested scales, chords, riffs, and progressions- in standard notation and tablature. With jam trax the band is always ready to jam-it's like carrying your band in your back pocket! Jam Trax book and CD packages: practice soloing and learn to improvise in your favorite style by jamming with the live back-up band on the CD. The books provide suggested scales, chords, licks, and progressions, based on actual tunes – in standard notation and tab.