Vol 4 is the fourth studio album by English rock band Black Sabbath, released in September 1972, by Vertigo Records. It was the first album by Black Sabbath not produced by Rodger Bain; guitarist Tony Iommi assumed production duties. Patrick Meehan, the band's then-manager, was listed as co-producer, though his actual involvement in the album's production was minimal. Side A No. Title Length 1. "Wheels of Confusion" 8:02 2. "Tomorrow's Dream" 3:12 3. "Changes" 4:44 4. "FX" (instrumental) 1:44 5. "Supernaut" 4:50 Side B No. Title Length 6. "Snowblind" 5:33 7. "Cornucopia" 3:55 8. "Laguna Sunrise" (instrumental) 2:53 9. "St. Vitus Dance" 2:30 10. "Under the Sun" 5:53 Total length: 42:18 User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.