Johann Sebastian Bach (1685–1750) shaped the foundations of Western music through his mastery of counterpoint, harmony, and structural invention. His output spanning sacred cantatas, passions, chorales, and instrumental works established techniques and forms that composers still study and teach today.
Bach's choral writing remains central to music education because it demands precision from singers while rewarding them with profound musical architecture. His understanding of voice leading and harmonic function makes his arrangements ideal teaching vehicles for developing ensemble singers who grasp both technical skill and expressive depth.