Elizabeth Davis-Simpson was born December 18, 1965 in the United States, best known for being the songwriter as well as the bassist of the punk rock band 7 Year Bitch.
 Other bands she collaborated with included Riot grrrl bands such as Bratmobile, Heavens to Betsy and Bikini Kill.
 She later worked on projects such as These Streets with Valerie Agnew, and has participated in a band named Clone.
Stefanie Ann Sargent (June 1, 1968 – June 27, 1992) was an American musician best known for being the lead guitarist and co-founder of Seattle punk rock band 7 Year Bitch.
The Little Deaths was an American rock band formed in San Francisco, California in 1997.
 The band was associated with the 1990s Queercore movement and became part of the San Francisco Bay-Area's late-90's musical renaissance which spawned bands like Subtonix, The Phantom Limbs, Erase Errata, The Vanishing, and the 7 Year Bitch offshoot, Clone.
 The Little Deaths toured and played shows with bands such as The Need, Le Tigre, The Haggard and Imperial Teen extensively until 2000.
 They released one critically acclaimed album entitled "" on New York-based Queercore label Heartcore Records in 1999.
 The Little Deaths went through several line-up changes before disbanding in 2002.
"7 Year Bitch" is a song by the British rock band Slade, released in 1985 as the second single from the band's twelfth studio album "Rogues Gallery".
 The song was written by lead vocalist Noddy Holder and bassist Jim Lea, and produced by John Punter.
 It reached No. 60 in the UK, remaining in the charts for three weeks.
¡Viva Zapata!
 is the second album by the American punk band 7 Year Bitch.
 It was released June 28, 1994 on Seattle-based C/Z Records.
 It was their first record to feature new guitarist Roisin Dunne who had replaced Stefanie Sargent in 1992.
 The album's title is in tribute to The Gits' vocalist, and friend of the group, Mia Zapata, who was raped and strangled to death in July 1993.
 Some of the songs on this album relate to Zapata's murder directly (such as "M.I.A.", which encourages vigilante justice for her killer) as well as Sargent's death by drug overdose ("Rock A Bye").
Sick 'Em is an album by Seattle punk rock band 7 Year Bitch.
 It was released in October 1992 on the local C/Z Records label and collected all of the band's previous releases up to that point onto one record.
 The album was originally slated for an earlier release date but was delayed following the death of guitarist Stefanie Sargent in June 1992.
Daniel House (born August 8, 1961) is a business owner/entrepreneur and musician best known for his contribution to the Seattle “grunge” music movement of the 1980s and ‘90s.
 He was a co-founder and bass-player for Skin Yard, a band that was active from 1985 to 1992, and was President and owner of C/Z Records, a Seattle-based independent record label that released music by many bands including 7 Year Bitch, Built to Spill, Coffin Break, Engine Kid, The Gits, Hammerbox, Love Battery, The Melvins, The Presidents of the United States of America, Silkworm, and Skin Yard.
 In 2003 he moved from Seattle to Los Angeles where he oversaw the development and creation of the now-defunct www.DownloadPunk.com as well as the music-centric online dating website, RocknRollDating.com.
Idlewild are a Scottish indie rock band that formed in Edinburgh in 1995.
 The band's line-up consists of Roddy Woomble (lead vocals), Rod Jones (guitar, backing vocals), Colin Newton (drums), Andrew Mitchell (bass) and Luciano Rossi (keyboards).
 To date, Idlewild have released seven full-length studio albums, with their latest, "Everything Ever Written", released in February 2015.
Valerie Agnew is best known for her relationship with the band called the Gits and as the drummer of 7 Year Bitch.
 She started out in Ohio and was dating Steve Moriarty, the drummer of the Gits.
 She was a very close friend of Mia Zapata.
 The Gits, when they moved to Seattle Valerie went along with them, since she was good friends with them.
 When Valerie comes to Seattle she meets up with the musicians that would soon to be her future band mates Selene Vigil (vocals), Elizabeth Davis (bass) and Stefanie Sargent (lead guitar), forming the band 7 Year Bitch.
 Eventually signing with C/Z Records when they made their debut album "Sick 'Em" in 1992.
7 Year Bitch was an American punk rock band from Seattle, Washington that was active for 7 years, between 1990 and 1997.
 Their career yielded three albums, and was impacted by the deaths of their guitarist Stefanie Sargent and close friend Mia Zapata, of fellow Seattle punks The Gits.

Question: Are both Idlewild and 7 Year Bitch rock bands?
Answer: yes