Bach’s musical compositions included

Arrangements for a wide range of instruments
Arrangements for brass instruments
Arrangements for keyboard and brass instruments
Lesser known compositions

such as his works for solo organ, choir, and chamber ensembles. He also composed numerous cantatas, oratorios, concertos, fugues, and preludes. Additionally, Bach wrote keyboard works, such as his Brandenburg Concertos and Well-Tempered Clavier, which are considered masterpieces of Baroque music.