Friedrich Christian Samuel Mohrheim (1719 â€“ 1780) was a German musician. He attended the Thomasschule in Leipzig from 1733 to 1736, and, like other J.S. Bachâ€™s pupils, acted as copyist for him during this period. His handwriting is recognizable in copies of for example the Mattheus Passion. In 1764 he became Kapellmeister in the Marienbasilika in Danzig where he remained till his death.
Mohrheim wrote several works for organ, including 7 Trioâ€™s. This is the first, in G major.
Score available here: