Queens of the Stone Age (also known as QOTSA or simply Queens) are a rock band from Palm Desert, California, United States, formed in 1997. The band frequently changes its line-up, and its records often include guest appearances. The only permanent member of the band is founder Josh Homme, with guitarist Troy Van Leeuwen having been a member since the release of the band's third studio album, Songs for the Deaf, in 2002. Bassist Michael Shuman and keyboardist and guitarist Dean Fertita both joined the band in 2007 to tour in support of its fifth studio album, Era Vulgaris (2007). In 2013, Queens of the Stone Age added drummer Jon Theodore during the recording of the album ...Like Clockwork (2013).