What makes Levels and Degrees of Light by Muhal Richard Abrams notable?

'Levels and Degrees of Light' is significant as it showcases Abrams' pioneering contributions to free jazz, influencing countless musicians who followed. The album received critical acclaim for its avant-garde approach and was part of the broader movement that sought to redefine jazz boundaries during the late 1960s. Released in 1968, 'Levels and Degrees of Light' marked Muhal Richard Abrams' debut album, establishing him as a foundational figure in the Chicago avant-garde jazz scene. At this point in his career, he was already influential through his leadership in the Association for the Advancement of Creative Musicians (AACM), which promoted innovative approaches to jazz.