Roots of Black Sabbath

Jose Luis Vasquez was an American musician and record producer. Vasquez was the lead vocalist, multi-instrumentalist, songwriter and sole official member of The Soft Moon, which he founded in 2009.

Kieran Miles David Hebden, known as Four Tet, is an English electronic musician. He came to prominence as a member of the post-rock band Fridge before establishing himself as a solo artist with charting and critically acclaimed albums such as Rounds (2003), Everything Ecstatic (2005) and There Is Love in You (2010). In addition to his twelve studio albums as Four Tet, Hebden's work includes a number of improvisational works with jazz drummer Steve Reid and collaborations with Burial and Thom Yorke.

Halestorm is an American rock band from Red Lion, Pennsylvania, consisting of lead vocalist and guitarist Lzzy Hale, drummer Arejay Hale, guitarist Joe Hottinger, and bassist Josh Smith. Siblings Lzzy and Arejay founded the band in 1997. The group's self-titled debut album was released in 2009 through Atlantic Records.

Foghat are an English rock band formed in London in 1971. The band are known for the use of electric slide guitar in their music. Their best known song is the 1975 hit "Slow Ride". The band have released 17 studio albums, including eight gold albums and one platinum, along with one double platinum live album. Despite several line-up changes, the band continue to record and perform.

Martin Peter Birch was a British music producer and sound engineer. He became renowned for engineering and producing albums recorded predominantly by British rock and metal bands, including Deep Purple, Rainbow, Fleetwood Mac, Whitesnake, Black Sabbath, and Iron Maiden.

Starless and Bible Black is the sixth studio album by English progressive rock band King Crimson, released in March 1974 by Island Records in the United Kingdom and by Atlantic Records in the United States. It features most of the personnel which appeared on the group's preceding album, Larks' Tongues in Aspic, with only percussionist Jamie Muir not returning, and is the band's final album with violinist David Cross as a member, although he would appear on one track on Red. Much of the album was recorded live and edited together with studio recordings and overdubs. The album includes multiple fully improvised pieces.

Vertigo Records is a British record company. It was a subsidiary of the Philips/Phonogram record label, launched in 1969 to specialise in progressive rock and other non-mainstream musical styles. Today, it's operated by Universal Music Germany and the UK catalogue was folded into Mercury Records, which was absorbed in 2013 by Virgin EMI Records, which returned to the EMI Records name in June 2020.

Freedom was an English psychedelic rock band, active in the late 1960s and early 1970s, formed initially by ex-members of Procol Harum.

Hard rock or heavy rock is a heavier subgenre of rock music typified by vocals and electric guitars that are aggressive and distorted relative to traditional rock music. Hard rock began in the mid-1960s with the garage, psychedelic, and blues rock movements. Some of the earliest hard rock music was produced by the Kinks, the Who, the Yardbirds, the Rolling Stones, Cream, Vanilla Fudge, and the Jimi Hendrix Experience. In the late 1960s, bands such as Blue Cheer, the Jeff Beck Group, Iron Butterfly, Led Zeppelin, Creedence Clearwater Revival, Golden Earring, Steppenwolf, Grand Funk Railroad, Free, and Deep Purple also produced hard rock.