Schott Trumpet World Workbook 1: exercises and concert pieces in all keys, by Kristin Thielemann, for 1 to 3 trumpets and piano ad lib., easy to intermediate level of difficulty, ISMN 9790001221412, ED 23957D, 23.1 x 30.3 cm, 80 pages, in German and English language, incl. online audio / Schott
