Echo Musikverlag Michlbauer Methode 1, Method for Styrian Harmonica, For all common harmonica models (3- and 4-row, all tunings, major and minor system), By Florian Michlbauer, In fingering, ISBN 9790501612697, publisher's no. EC 3131, Format: 23 x 30.5 cm, Spiral binding, 96 Pages, In German, Demo and play-along versions available in the Michlbauer app