What type of group does Umphrey's McGee and Iron Maiden have in common?
Umphrey's McGee Umphrey's McGee is an American jam band originally from South Bend, Indiana. The band's approach shares many elements with groups like Phish and the Grateful Dead such as varying set lists, improvisation, playing two sets per night, and allowing fans to tape concerts, they are much more influenced musically by progressive rock artists such as King Crimson, Yes, Pink Floyd, Frank Zappa, The Mahavishnu Orchestra, and early Genesis, as well as heavy metal bands such as Iron Maiden and Van Halen. The band also identifies The Police, The Beatles, and Led Zeppelin as primary influences. UM experiments with many musical styles, including rock, metal, funk, jazz, blues, electronic, bluegrass, and folk.
List of Black Sabbath band members Black Sabbath were an English hard rock band from Aston, Birmingham. Formed in 1968, the group originally featured vocalist Ozzy Osbourne, guitarist Tony Iommi, bassist Geezer Butler and drummer Bill Ward. The initial lineup of the band lasted until 1977, during which time they released seven successful studio albums, including UK Albums Chart top-five releases "Paranoid", "Master of Reality" and "Sabbath Bloody Sabbath". Osbourne left the group in 1977 and was replaced briefly by Dave Walker, although the founding frontman returned the following year. His return was short-lived, however, and he was replaced in 1979 by Ronnie James Dio at the suggestion of Sharon Arden, who would later marry Osbourne. Butler also briefly left in 1979, although after hearing sessions recorded by replacement Craig Gruber he returned.