Berta Johanna Amalie Bock née Spech (15 March 1857 – 4 April 1945) was a Romanian composer. She was born in Hermannstadt, Transylvania, Austrian Empire (now Sibiu, Romania) and also taught piano and voice.[1] She died in Sibiu.[2][3]
Brock composed an opera, several ballets and songs for voice and piano. Selected works include: