Explain how the organ served as his laboratory for counterpoint, which he later applied to his large-scale vocal works. 4. Synthesis: The "Soli Deo Gloria"

Bach was famed as a virtuoso organist before he was known as a composer.

The paper could explore how Bach’s compositions for the voice (Cantatas and Motets) and the organ functioned as both professional requirements of his various posts (such as at St. Thomas Church in Leipzig) and as personal expressions of his Lutheran faith. 1. The Cantatas: Musical Sermons

They often utilize stile antico (an older, polyphonic style) and frequently feature double-choir structures.