Cellist Gideon Freudmann presents his soundtrack created for the 1919 German silent film “The Cabinet of Dr. Caligari,” a screening of which accompanies his performance. Freudmann calls his music “cello bop” — a fusion of blues, jazz and folk. The show is at 8 p.m. Saturday at Red Poppy Art House, 2698 Folsom St., San Francisco. Suggested admission is $12. Call (415) 826-2402 or visit www.redpoppyarthouse.org.