Albrechtsberger, Johann Georg

(yō´hän gā´ôrk äl´brĕkhtsbĕr´´gər), 1736–1809, Austrian musical theorist, teacher, and composer. He became (1772) court organist in Vienna and later was chief organist, conductor, and choirmaster of St. Stephen's Cathedral, Vienna. He composed more than 240 works and wrote important books on counterpoint and figured bass. Considered the best teacher of composition in Vienna in his time, he taught Beethoven.