Johann Sebastian Bach, one of the most renowned and influential composers in the history of classical music, left an indelible mark on the world of music. Here are ten fascinating facts about this musical genius: 1. Prolific Composer: Bach was an incredibly prolific composer, producing over 1,000 works during his lifetime. His compositions include masterpieces in nearly every genre of his time, such as cantatas, concertos, fugues, and keyboard works.