In the agreement, or contract, that led to the creation of an artwork, which aspect of the work received the most attention?

What is the musical term for what the bass line is playing in the listening

example?

a. tremolo b. cadenza c. trill d. pedal point e. melodic sequence

How many yearly cycles of cantatas did Bach compose during his years at Leipzig?

A) 3 B) 5 C) 8 D) 11