Okla. Stat. tit. 59, § 59-889.2: License required to practice

A. No person shall practice or hold himself or herself out as

being able to practice music therapy or provide music therapy

services in this state unless the person is licensed in accordance

with the provisions of the Music Therapy Practice Act.

B. Nothing in the Music Therapy Practice Act shall be construed

to prevent or restrict the practice, services or activities of:

1. Any person licensed, certified or regulated under the laws

of this state in another profession or occupation, or personnel

supervised by a licensed professional in this state from performing

work, including the use of music, incidental to the practice of the

person's profession or occupation, if that person does not represent

himself or herself as a music therapist;

2. Any person enrolled in a course of study leading to a degree

in music therapy from performing music therapy services incidental

to the person's coursework when supervised by a licensed

professional, if the person is designated by a title which clearly

indicates the person's status as a student;

3. Any person whose training and national certification attests

to the individual's preparation and ability to practice the person's

profession, if that person does not represent himself or herself as

a music therapist; or

4. Any person employed by an agency, bureau or division of the

federal government while in the discharge of official duties;

provided, however, if such individual engages in the practice of

music therapy outside the line of official duty, the individual must

be licensed as herein provided.