Available For The First Time In Over 50 Years Transferred From The Original Half-Inch Four-Channel Masters Blu-ray With 192/24 Resolution Quadraphonic And Hi-Res Stereo Mixes - ROOTS is regarded as one of Curtis Mayfield's best works and an undeniable 1970s classic. Charting at #6 on Billboard's Top Soul Albums chart, the album features hit tracks "We Got To Have Peace," "Keep On Keeping On," and "Get Down. - 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.