Bläser-Schulen-Verlag Gemeinsam Lernen & Spielen 1 Tenor Horn Bb: School for Wind Classes and Instrumental Lessons, Edition for Tenor Horn in Bb (treble clef), by Jaap Kastelein and Michiel Oldenkamp, ??ISMN 9790700382070, BSV115-011, 23 x 30.5 cm, 72 pages, incl. download code for play-along recordings, in German language