Doblinger Musikverlag Rockodil 1, Coursebook for Electric Guitar, Electric guitar music book for children from 7 years of age, By Robert Morandell and Christoph Gruber, Coloured guitar strings for easier orientation, Also suitable for electric guitar lessons for classically trained teachers, ISBN 9783902667557, ISMN 9790012203735, Publisher Nr. DOB 35954, Format: 23 x 30.5 cm, Spiral binding, 120 Pages, In German, Includes MP3 CD with 350 play-along recordings