Steve Reich's album Drumming. Available here on Double LP and Double CD.
Steve Reich’s Drumming is regarded as one of the most important musical works of the last century. Distilled through his studies of African percussion in Ghana during 1970 and Balinese gamelan music, Reich revolutionized our understanding of polyrhythms, sculpting a new sonic territory to illuminate the radical potential of Minimalism.
LPx2 - Standard Double LP.
CDx2 - Standard Double CD.