Black Sabbath - Vol. 4 (Full Album)
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Review] Black Sabbath: Vol. 4 (1972) - Progrography
Black Sabbath – Black Sabbath Vol. 4 Super Deluxe (2021, Box Set) - Discogs
Black sabbath-Vol 4 Full Album
ブラックサバス 紙ジャケ CD
Black Sabbath Vol. 4 custom album cover by ORANGEMAN80 on DeviantArt
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