Era Vulgaris is the fifth studio album by American rock band Queens of the Stone Age. Recorded from July 2006 to April 2007, it was released on July 20, 2007 in the United Kingdom and July 21 in the United States, being released on July 29 in other countries. The single "Sick, Sick, Sick" was released in May, followed by second single "3's & 7's" in early June, and third single "Make It wit Chu" in October. The album debuted at No. 14 on the U.S. Billboard 200 charts, selling 52,000 copies in its first week. It reached top ten positions in other countries, such as No. 7 in the UK, No. 5 in Canada, and No. 4 in Australia. It was the band's last album on Interscope Records.

Queens of the Stone Age is an American rock band formed in 1996 in Seattle, Washington. The band was founded by vocalist and guitarist Josh Homme, who has been the only constant member throughout multiple lineup changes. Since 2013, the lineup has consisted of Homme alongside Troy Van Leeuwen, Michael Shuman, Dean Fertita, and Jon Theodore. The band also has a large pool of contributors and collaborators. Queens of the Stone Age are known for their blues, Krautrock and electronica-influenced style of riff-oriented and rhythmic hard rock music, coupled with Homme's distinct falsetto vocals and unorthodox guitar scales.