Question

The style of jazz music that focused less on improvisation and more on ensemble playing and which avoids extremes in the elements of music is called

Answer 1

the answer is Cool Jazz (apex)

Answer 2

The correct answer is contemporary jazz.
This is a style of music that differs from the original jazz which was characterized by a lot of improvisation and various genres of music incorporated. Contemporary jazz focuses more on ensemble playing which is its most notable distinction from the original jazz.