Which freelance musical career role acts as backup for a musical group’s leader under contract? session musiciansorchestra memberstheater musiciansvocal soloists

The Correct answer to this question would be A. Session Musicians

Explanation: "Some businesses or musical groups hire the services of session musicians, also known as freelance or backup musicians, to help them record music or present live performances. Under such business contracts, the session musician is responsible for providing the necessary support to the group’s leader. "

A.Session Musicians. Plato answer

oranienbaum, russia.