What makes Infinity by John Coltrane notable?

Though not commercially successful upon release, 'Infinity' has since been recognized for its profound impact on the development of spiritual jazz and free improvisation. It embodies Coltrane's late-career experimentation that would influence countless artists and genres, heralding a new direction for jazz music. Released in September 1972, 'Infinity' marks John Coltrane's final studio album before his passing just months later. This work encapsulates his evolution towards a more experimental approach, following the groundbreaking 'A Love Supreme'. At this point in his career, Coltrane was deeply immersed in spirituality and avant-garde expression.