Question: Which band was formed first, She Wants Revenge or Dead Can Dance?

Context paragraphs:
Tear You Apart: "Tear You Apart" is a song by American rock band She Wants Revenge.  It was released as the second single from their self-titled debut studio album in January 2006 in the U.S. and July 17, 2006 in the UK.  The song reached number 6 on the "Billboard" Alternative Songs chart and number 122 on the "Billboard" Hot 100.

Adam Bravin: Adam Michael Bravin, also known as DJ Adam 12, is a musician and producer who is half of the darkwave duo She Wants Revenge.  He has also played in Crazy Town from 1995 to 1996, prior to DJ AM.  After She Wants Revenge, Bravin started working on his own solo project, Love Ecstasy Terror.  He has also been the personal DJ for President Barack Obama.

Michael Patterson (producer): Michael Patterson (b. Memphis, Tennessee) is an American record producer and mixer.  He has worked on the critically and commercially acclaimed albums "Midnite Vultures" (1999) by Beck (where he was nominated for a Grammy award), "Life After Death" (1997) by Notorious B.I.G, the debut album by Black Rebel Motorcycle Club, "B.R.M.C." (2001), and dark pop duo She Wants Revenge's first two albums, "She Wants Revenge" and "This Is Forever".

She Wants Revenge (album): She Wants Revenge is the debut studio album by American rock band She Wants Revenge.  Mixed by Michael Patterson, it was released on January 31, 2006 by Perfect Kiss, a subsidiary of Geffen Records.

This Is Forever: This Is Forever is the second full-length studio album by She Wants Revenge.  It was released on October 9, 2007.  The cover art replicates that of their debut, "She Wants Revenge", but with a black-themed twist: the model is wearing black underwear and a funeral veil, while the back cover reveals she's holding a black rose behind her back instead of a kitchen knife.

She Wants Revenge: She Wants Revenge is an American rock band, based in San Fernando Valley, California and formed in 2004.  The group's debut album "She Wants Revenge" was released in early 2006, with three singles to follow ("These Things," a video featuring Shirley Manson from Garbage, "Out of Control," and "Tear You Apart" for which the video was directed by Joaquin Phoenix).  The band has sold more than 300,000 records in the US.  The band's second album, "This Is Forever", was released in 2007.  The group's third album, entitled "Valleyheart", was released in 2011.

These Things: "These Things" is a song by American rock band She Wants Revenge.  It was released as their debut single and the lead single from their self-titled debut studio album on October 25, 2005.  On "Billboard"'s Alternative Songs chart, "These Things" peaked at number 22.

Valleyheart (She Wants Revenge album): Valleyheart is the third album from She Wants Revenge.  It was first released on 24 May 2011 through their own label Five Seven Music in the United States.

War Tapes: War Tapes is an American rock band formed in Los Angeles, California in 2006.  The band has played shows and toured across the US and in the UK with The Smashing Pumpkins, Tiger Army, Shiny Toy Guns, Moving Units, The Bravery, Longwave, VNV Nation, She Wants Revenge, Mark Burgess of The Chameleons, Elefant, Jonathan Richman, and The Unseen.  Their songs "Dreaming Of You" and "The Night Unfolds" were featured on "Last Call with Carson Daly"; the song "Mind Is Ugly" was featured on a Season 5 episode of the MTV series "The Hills", and the band also performed on the season 2 finale of the ABC Family show "Greek".  They define their sound as: "Heart-Quaking Doom Pop" and they released their first full-length album, "The Continental Divide" in May 2009.

Dead Can Dance: Dead Can Dance is an Australian musical project formed in 1981 in Melbourne by Lisa Gerrard and Brendan Perry.  The band relocated to London, England, in May 1982.  Australian music historian Ian McFarlane described Dead Can Dance's style as "constructed soundscapes of mesmerising grandeur and solemn beauty; African polyrhythms, Gaelic folk, Gregorian chant, Middle Eastern mantras, and art rock."

Supporting paragraphs: She Wants Revenge Dead Can Dance
Answer: Dead Can Dance