Question: What professional do both Marc Bolan and Ian MacKaye share?

Documents:
source: Marc Bolan
text: Marc Bolan Marc Bolan ( ; born Mark Feld; 30 September 1947 – 16 September 1977) was an English singer-songwriter, musician, guitarist, and poet. He was best known as the lead singer of the glam rock band T. Rex. Bolan was one of the pioneers of the glam rock movement of the 1970s. He died at age 29 in a car accident a fortnight before his 30th birthday.

source: Ian MacKaye
text: Ian MacKaye Ian Thomas Garner MacKaye ( ; born April 16, 1962) is an American singer, songwriter, guitarist, musician, record label owner and producer. Active since 1979, MacKaye is best known as the co-founder and owner of Dischord Records, a Washington, D.C.-based independent record label and the frontman of the influential hardcore punk band Minor Threat and the post-hardcore band Fugazi. MacKaye was also the frontman for the short-lived bands The Teen Idles, Embrace and Pailhead, a collaboration with the band Ministry. MacKaye is a member of The Evens, a two-piece indie rock group he formed with his wife Amy Farina in 2001.

source: Amy Farina
text: Amy Farina Amy Farina is a musician living in Washington, D.C. As of 2001, Farina has played drums and sings in the Indie rock duo The Evens which includes her husband Ian MacKaye. Previously she has played in The Warmers (which included Ian's younger brother Alec MacKaye), Mister Candy Eater, Ted Leo & the Pharmacists and with Lois Maffeo. She and MacKaye welcomed their first child, Carmine Francis Farina MacKaye, on May 24, 2008. She is the sister of Geoff Farina of the band Karate.

source: The Evens
text: The Evens The Evens are a Washington, D.C. indie-rock duo, formed in the fall of 2001, comprising partners Ian MacKaye (guitars, vocals) (of Fugazi, formerly of Minor Threat) and Amy Farina (drums, vocals) (formerly of The Warmers). After Ian MacKaye's band Fugazi entered a hiatus, The Evens began practicing extensively, and eventually played a few shows and recorded a self-titled album, released in March 2005 on MacKaye's label, Dischord Records. The Evens are known for their unusual choices in venues for performances and the stylistic change from what many have dubbed the "D.C." or "Dischord" sound. " The Washington Post" has described the sound as "what happens when post-hardcore becomes post-post-hardcore."

source: Rozzlyn Rangers
text: Rozzlyn Rangers Rozzlyn Rangers was the name taken by the 5 original members of the Dischord House in Arlington, Virginia (fairly near Rosslyn, Virginia) in October 1981: Ian MacKaye, Jeff Nelson, Rich Moore, Eddie Janney, and Sab Grey. Dischord House housed Dischord Records (founded a year earlier by The Teen Idles, shortly thereafter to be run by Ian MacKaye and Jeff Nelson). Despite its terribly low ceiling, many DC punk bands practiced in its basement over the years: Minor Threat, Skewbald, Iron Cross, The Faith, Second Wind, Rites of Spring, Embrace, Three, Fugazi, Beefeater, Fidelity Jones, Happy Go Licky, Kingface, One Last Wish, The Evens.

source: Paul Fenton (musician)
text: Paul Fenton (musician) Paul Fenton (born 4 July 1946 in Huddersfield, Yorkshire, England) is an English drummer, best known for his work with T. Rex. After leaving Christie, he started playing drums for T. Rex in 1973, after being recommended to Marc Bolan by his producer Tony Visconti. He also toured briefly with Marc Bolan & T. Rex in 1974, and played additional drums with Davy Lutton on the songs "Solid Baby", "Funky London Childhood", and "Visions Of Domino".

source: Zip Gun Boogie
text: Zip Gun Boogie "Zip Gun Boogie" is a 1974 single, originally credited in the UK as a solo single by Marc Bolan of the British glam rock band T. Rex. In other territories, the single was credited to "T. Rex" or "Marc Bolan and T. Rex"; almost all reissues of the track credit it solely to T. Rex. The track and its B-side feature on the 1975 T. Rex album Bolan's Zip Gun.

source: Windstorm (album)
text: Windstorm (album) Windstorm is the fourth studio album released by Gloria Jones in 1978. This album was a dedication to Marc Bolan, as on the rear cover, is written: "Special Dedication in memory of my son's father, the late Marc Bolan, whom we miss very much."

source: Billy Super Duper
text: Billy Super Duper Billy Super Duper is an album by English glam rock act T. Rex. Released in 1982 by record label Marc on Wax, it was the first LP of entirely new and unheard material released after Marc Bolan's death in 1977 as the previous posthumous release, "You Scare Me to Death" consisted of demos first released in 1974. Billy Super Duper consists of studio outtakes and home demos recorded by the band between 1972 and 1977, with arrangements produced by John and Shan Bramley (the heads of the Marc Bolan Fanclub at the time). The album was intended to "complete" the demos and bring them up to date with contemporary music.

source: Life Time (Rollins Band album)
text: Life Time (Rollins Band album) Life Time is the first full-length studio album by Rollins Band, fronted by ex-Black Flag singer, Henry Rollins. The album was produced by Ian MacKaye, well known in the genre of hardcore punk for his work with Minor Threat and as co-owner of the Dischord record label. MacKaye was also a childhood friend of Rollins, who acted as a roadie for MacKaye's band The Teen Idles. It was originally released in 1987 and included four live tracks recorded in Kortrijk, Belgium in October 1987. It was subsequently re-mastered and re-released in 1999 without the live tracks, but with the addition of three session tracks from the "Do It" album of 1987. The 2014 reissue on Dischord includes the live tracks but not the bonus tracks included on the 1999 reissue .

source: __pad__
text: __no_content__

source: __pad__
text: __no_content__

source: __pad__
text: __no_content__

source: __pad__
text: __no_content__

source: __pad__
text: __no_content__

Answer: musician