"In One Voice" (1969): This is a spoken-word recording of Crowley reciting his poem "In One Voice." It was released posthumously on the album "The Voice of the Master."
"Lectures on Yoga" (1938-39): A collection of lectures given by Crowley on the subject of yoga. These lectures were recorded in London and provide insight into Crowley's mystical teachings.
"The Great Beast 666" (1969): A recording of a lecture given by Crowley in 1947, in which he discusses his self-proclaimed title of "The Great Beast 666."
"Aleister Crowley Sings" (1968): A compilation of Crowley's own musical compositions, featuring him playing the piano and singing.
It's worth noting that some of these recordings may be difficult to find or may only be available through specialized sources or collectors.