Chunguza Vol. 4 (2021 Remaster) ya Black Sabbath, iliyotolewa 24/09/1972. Albamu yenye nyimbo 10 ikiwemo 'Wheels of Confusion / The Straightener - 2021 Remaster', 'Under the Sun / Every Day Comes and Goes - 2021 Remaster', 'Tomorrow's Dream - 2021 Remaster'. Pata takwimu za kina za usambazaji, uchambuzi wa nyimbo moja kwa moja na vipimo vya ushiriki wa wasikilizaji.
