Unser Mund sei voll Lachens is a church cantata by a composer born in what year?
Johann Sebastian Bach Johann Sebastian Bach (31 March [O.S. 21 March] 1685 28 July 1750) was a German composer and musician of the Baroque period. He is known for instrumental compositions such as the "Brandenburg Concertos" and the "Goldberg Variations", and vocal music such as the "St Matthew Passion" and the Mass in B minor. Since the 19th-century Bach Revival he has been generally regarded as one of the greatest composers of all time.
Gerd Zacher Gerd Zacher (6 July 1929– 9 June 2014) was a German composer, organist, and writer on music. He specialized in contemporary compositions, many of which feature extended techniques, and are written in graphic or verbal scores. He interpreted the scores of numerous contemporary composers, including John Cage, Juan Allende-Blin, Mauricio Kagel, György Ligeti, Hans Otte, and Isang Yun. He is also known as an interpreter of the works of Johann Sebastian Bach.