Massive Attack are an English trip hop group formed in 1988 in Bristol, consisting of Robert "3D" Del Naja, Grant "Daddy G" Marshall and formerly Andy "Mushroom" Vowles ("Mush").
 Their debut album "Blue Lines" was released in 1991, with the single "Unfinished Sympathy" reaching the charts and later being voted the 63rd greatest song of all time in a poll by "NME".
 1998's "Mezzanine", containing "Teardrop", and 2003's "100th Window" charted in the UK at number one.
 Both "Blue Lines" and "Mezzanine" feature in "Rolling Stone"' s list of the 500 Greatest Albums of All Time.
The discography of Gnarls Barkley, an American alternative hip hop duo composed of record producer Danger Mouse and soul singer Cee Lo Green, consists of two studio albums, two extended plays, seven singles and seven music videos.
 The duo originally met in the late 1990s, and began to record music together in 2003 following the release of Danger Mouse's 2003 album "Ghetto Pop Life".
 Their first single, "Crazy", was released in 2006; it achieved worldwide chart success, reaching number two on the US "Billboard" Hot 100 – where it was certified double platinum by the Recording Industry Association of America (RIAA) – and reaching the top ten of the Australian, New Zealand and Swiss singles charts, among others.
 It also topped the UK Singles Chart, attracting considerable attention for becoming the first song ever to top the chart on digital download sales alone, following a change to the chart's eligibility rules allowing songs to chart purely on digital sales providing that it was given a physical release the following week.
 The song appeared on Gnarls Barkley's debut studio album, "St. Elsewhere", which peaked at number four on the US "Billboard" 200 as well as topping the New Zealand and United Kingdom albums charts.
 Three further singles – "Smiley Faces", which reached the top ten of the UK and Irish singles charts, "Who Cares?
" and a cover of the Violent Femmes song "Gone Daddy Gone" – were released from "St. Elsewhere", although none of them appeared on the "Billboard" Hot 100.
The discography of British trip hop group Massive Attack consists of five studio albums, three compilation albums, five remix albums, one soundtrack album, five extended plays, eighteen singles and twenty-seven music videos.
 The group were founded in 1988 by musicians Robert "3D" Del Naja, Grantley "Daddy G" Marshall, Andrew "Mushroom" Vowles and Adrian "Tricky" Thaws in Bristol, England.
 Prior to the formation of Massive Attack, all three were members of British sound system The Wild Bunch.
"Massive Attack" is a song by Trinidadian rapper Nicki Minaj and American recording artist Sean Garrett.
 Written by Minaj, co-written and produced by Garrett and Alex da Kid, "Massive Attack" was released on April 13, 2010.
 It was initially intended to be the lead single from Minaj's debut studio album "Pink Friday", but the release was later scrapped in favor of "Your Love".
 The song was a distinct change in Minaj's previous work on mixtapes and features, thus receiving mixed to positive reviews from critics, commending lyrical content and distinctiveness, and critiquing that it did not fit her "Barbie" persona well.
 An accompanying music video which features a helicopter chase, and militaristic jungle and desert scenes, was positively received.
Damnesia is an album by the punk rock band Alkaline Trio, released July 12, 2011 through their label Heart & Skull, a joint venture with Epitaph Records.
 A primarily acoustic album, it consists of "a selection of beloved fan favorites selected from the group's extensive catalogue and presented in an intimate semi-unplugged format".
 The album also includes two new songs, "Olde English 800" and "I Remember a Rooftop", as well as a cover version of the Violent Femmes' "I Held Her in My Arms".
 A music video consisting of studio footage was released for the song "Clavicle", and the band has embarked a fifteenth-anniversary United States tour in support of the album.
"Unfinished Sympathy" is a song by English trip hop group Massive Attack, released under the temporary group name of Massive.
 It was written by the three band members Robert "3D" Del Naja, Andrew "Mushroom" Vowles and Grant "Daddy G" Marshall, the song's vocalist Shara Nelson and the group's co-producer Jonathan "Jonny Dollar" Sharp.
 The song was released as the second single from the band's debut album "Blue Lines", on the band's Wild Bunch label distributed through Circa Records on 11 February 1991.
 The choice of using the name "Massive" was done to avoid a radio ban as its release coincided with the Gulf War.
 Produced by Massive Attack and Dollar, the song incorporates various musical elements into its arrangement, including vocal and percussion samples, drum programming, and string orchestration by arranger Wil Malone.
Louise Attaque is a French chanson/folk rock group founded in 1994.
 Several of the group's albums were produced by Gordon Gano, lead singer of Violent Femmes, a band whom Louise Attaque often cites as an influence and for whom their own band is named.
 The band is signed to the Atmosphériques record label.
MONA FOMA (an acronym for Museum of Old and New Art: Festival Of Music and Art, often further shortened to MOFO) is an annual festival based in Hobart, Tasmania, curated by Brian Ritchie bass player from the rock band Violent Femmes.
 It is billed as Tasmania's largest contemporary music festival and showcases the work of artists in a broad range of art forms, including sound, noise, dance, theatre, visual art, performance & new media.
 A wintertime version, Dark MOFO, is held annually in June.
 Its events are mainly shown at nighttime.
Violent Femmes is an American folk punk band from Milwaukee, Wisconsin, initially active from 1980 to 2009.
 s of 2013 , the band is active again.
 The band is a trio, including singer, guitarist and songwriter Gordon Gano, bassist Brian Ritchie, and various drummers: Victor DeLorenzo (1980–1993, 2002–2009 and 2013), Guy Hoffman (1993–2002), Brian Viglione (2013–2016), and John Sparrow (2016-present).
Craig Pruess (born 1950) is an American composer, musician, arranger and gold & platinum record producer who has been living in Britain since 1973.
 His career has covered diverse areas including: record production for international stars such as Anu Malik, Sir Cliff Richard, Sarah Brightman, Sheila Walsh (whose first album, "War of Love" was produced and arranged by Craig and was nominated for a Grammy Award in 1983); musical arrangements for Massive Attack, Def Leppard, Bond; feature film soundtrack music ("Bride & Prejudice", "Bend It Like Beckham", "It's a Wonderful Afterlife", "What's Cooking?
", "Bhaji on the Beach"); world music producing, performing (sitar, keyboards and African percussion) and arranging for international acts such as Massive Attack, Katie Melua, Manic Street Preachers, Def Leppard and Pascal Obispo; television music ("Peak Practice", Sue Lawley Show, Rich Deceiver, ZigZag Kenya, Samson Superslug) and also arranging, sitar and sound design work (for such well known composers as Danny Elfman, Gabriel Yared, Patrick Doyle, Carl Davis, John Altman, Rachel Portman, and George Fenton); television and film advertising/corporate music (over 300 commercials to date); lecturing and teaching; concert performing (solo and with his own ensembles but also with Mike Oldfield for the world premiere of "Tubular Bells II", September 1992, at the Edinburgh Castle); sound engineering, synthesizer and computer music programming, sound design and music technology innovations.

Question: Which music group was active earlier, Massive Attack or Violent Femmes?
Answer: Violent Femmes