What is a main characteristic of jazz music?

jazz artists use improvisation in their performances.
jazz music first started in great britain.
jazz artists follow traditional rhythms and structures.
jazz produced no famous or popular artists.

1. Jazz artists use improvisation in their performances.

Explanation:

"The essence of jazz music is improvisation..."

(https://quizlet.com/315163705/music-of-the-twentieth-century-i-tutorial-flash-cards/)

both believe in many god or polytheism

both built temples that they worshiped in both civilization's god were humanoid

both groups made religion a large portion of their lives

both believe in one religion throughout

the dead were buried with items for the afterlife