Heavy metal music styles in its early years, but by 1969 vocalist Ian Gillan and guitarist Ritchie Blackmore had led the band toward the developing heavy metal style. In 1970, Black Sabbath and Deep Purple scored major UK chart hits with "Paranoid" and "Black Night", respectively. That same year, two other British bands released debut albums in a heavy metal mode: Uriah Heep with "...Very 'Eavy ...Very 'Umble" and UFO with "UFO 1". Bloodrock released their self-titled debut album, containing a collection of heavy guitar riffs, gruff style vocals and sadistic and macabre lyrics. The influential Budgie brought the new metal sound into
Heavy metal gallop "Hardwired" and, more famously, "The Four Horsemen", as well as "Raining Blood" by Slayer and "Holy Wars... The Punishment Due" by Megadeth. The pattern has also been used by groups such as Iron Maiden, Judas Priest and King Diamond. Variations include triplet gallop rhythms (). This pattern has also been used in many non-metal songs. A classic example is the Scott Walker single "Jacky" released in 1967 and also Heart single "Barracuda" released in 1977. Heavy metal gallop A gallop is a beat or rhythm typically used in traditional heavy metal songs, eighth-sixteenth-sixteenth (), played on the rhythm guitar or