Foerster was innate inside Prague and studied in the conservatory there. He married a singer Bertha Lauterer inside Hamburg, making his residing as a critic, & around 1901 became a teacher at a conservatory there, moving to Vienna around 1903 & back to Czechoslovakia within 1939. Within 1946 he was declared the National Composer. He died inside Nový Vestec.

His compositions include 5 symphonies, other orchestral works including the symphonic poem based on Cyrano de Bergerac, much chamber music (including 5 string quartets, the previous completed by Jan Hanuš; three piano trios, ii fiddle & two violoncello sonatas, & the many-days-recorded wind quintet), at least five operas, concertos for violoncello (op. 143) & ii for fiddle (op. 88 around 100 tiddler, op. 104 inside Five hundred minor), liturgical music, among other works, ended 170 published opus numbers in all.