Theodor von Schacht explained

Theodor von Schacht (1748 in Strasbourg  - 20 June 1823 in Regensburg) was a German composer.

After his studies in Stuttgart and Wetzlar, von Schacht arrived in Regensburg as a knight (Hofkavalier). There he was appointed in 1773 director of the court music, and assigned also to direct Italian opera.

In 1796, he was granted a lifetime pension for services rendered.

He composed at least 33 symphonies, one of them published in full in Angerer, (pub. Garland, 1984). His compositions also included music for clarinet, including three clarinet concertos (one of them written in 1781),^[1] One was recorded by Dieter Klöcker.^[2] and a concerto for 3 clarinets. His clarinet concertos are one of the first to use the A clarinet.^[3] He composed at least one concerto for two bassoons.

Notes and References

1. Rice, Albert R. (2003). . Oxford University Press. page 250. .
2. Orfeo C 290 931 A, 1993, with works for 1-3 clarinets and orchestra, Oliver Link the 2nd clarinetist. A copy is still at University of Virginia Libraries.
3. Book: Mozart: Clarinet Concerto. 15. Colin Lawson. Cambridge University Press. May 1996. 9780521479295. 23 September 2022.