Johann Sebastian Bach (1685-1750) stands as one of history's most prolific and intellectually rigorous composers. His output spans every major genre of his era except opera, and his mastery of counterpoint, harmonic language, and structural architecture remains unmatched. Bach's chorale harmonizations, in particular, represent a goldmine for music students because they distill his genius into compact, teachable forms that reveal how voice leading, functional harmony, and emotional depth work together.
As a cantor, educator, and father to a dynasty of musicians, Bach was deeply invested in music pedagogy. His chorales were rooted in the Lutheran tradition and designed for congregational and liturgical use, making them both accessible and substantive. They remain the foundation of music theory instruction worldwide.