Bach dedicated himself primarily to the composition of?

Answer 1

Sacred music.

Answer 2

Among Bach's influences in instrumental writing were a group of Italian composers who were Bach's approximate contemporaries (or very near predecessors, separated by very few years), including (most especially) Vivaldi. We know that Bach studied Vivaldi's concertos, because he rescored some of them himself. From Vivaldi and other Italian composers, Bach learned the concerto grosso format, where a larger ensemble (tutti, or ripieno) alternates with a soloist or solo group (concertino). This creates contrasts in texture, dynamics, and sometimes melody.

However; Bach was an innovator, a ground breaker and had very few contemporaries, it can be said in most things that he worked from a clean slate.

Answer 3

Secular music