ELECTRIC JAZZ-FUSION PLAY-A-LONG is an incredible item by JAMEY AEBERSOLD JAZZ publishing house. This music book is destined for an intermediate or an advanced musician that plays any musical instrument. It includes all parts for each tune (C, Bb, Eb and instruments in Bass key). There is a great musical accompaniment recorded on the attached CD, melodie and improvisation are left for you. For your practising left and right channel are divided for easier manupulating: left channel bass, drums and right channel-piano, drums. Moreover, this CD was recorded by a keyboard player from BRECKER BROTHERS BAND-George Whitty. Very useful and valuable item.