Breitkopf and Härtel Song Accompaniment Techniques – Basics and Patterns: a guide to learning piano accompaniment, by Jens Kratzenberg, with excursions into pop harmony, ISBN 9783765104565, BV 456, 21 x 29.4 cm, 134 pages, in German and English language, incl. QR code for PDF solutions / Breitkopf and Härtel
