About the author: Robert Kietzer wrote for the music publisher Zimmermann from 1886 and 1907 numerous instrumentals. He was imperial Russian and formerly royal Prussian miltary chapel master.
Schule fur Tenorhorn (Bassflugelhorn) von Robert Keitzer. Volume 3 of Kietzer's self instructor for tenor-horn. More scale and modal exercises introduction to trills and other graces plus chromatic scales.