Available For The First Time In Over 50 Years. Sourced From A Commercial Quad Reel. Blu-ray With 192/24 Resolution Quadraphonic And Hi-Res Stereo Mixes. Following the lauded SUPERFLY (1972), Curtis Mayfield emerged with his fourth studio album, BACK TO THE WORLD. Peaking at #16 on the Billboard 200 and #1 on the Top R&B Albums, the album focused on social commentary and optimism for the future. Quadraphonic sound, or 4.0 surround sound, utilizes four audio channels connected to four speakers positioned at the corners of a listening space. The multi-tracked audio is mixed dimensional, immersing the listener in an expansive soundscape.