Question: What are the two roles of the writer of Father to a Sister of Thought?

full_context: Document 1: Son of a Gun (EP): Son of A Gun is the debut extended play single by Glasgow alternative rock group The Vaselines. The title-song of this EP came to a wider audience after Nirvana covered it, along with "Molly's Lips", on their compilation album "Incesticide". "You Think You're A Man" is a cover of a song written by the cult-film actor Divine, while the other two were written by Frances McKee and Eugene Kelly.
Document 2: To Mother: To Mother is the first EP recorded by Babes in Toyland consisting of the outtakes from the previous release Spanking Machine, but was rerecorded in Europe after their tour with Sonic Youth which can be seen on "". It was produced by John Loder, and released 3 August 1991 by Twin/Tone Records. A childhood photograph of Kat Bjelland's mother, Lynne Irene Higginbotham, appears on the album's cover. The photograph of Bjelland's mother was taken in Bjelland's hometown of Woodburn, Oregon.
Document 3: Stephen Malkmus and the Jicks: Stephen Malkmus and the Jicks is a rock band consisting of Stephen Malkmus, Mike Clark, Joanna Bolme, and Jake Morris. Malkmus was the main singer and songwriter behind the influential 1990s indie rock band Pavement.
Document 4: Rattled by la Rush: "Rattled by the Rush" is a single/EP released by indie rock group Pavement in 1995. It is recognized as the single for the song "Rattled by the Rush", the first single from the band's third album, "Wowee Zowee" (1995). The UK edition, issued on the now-defunct Big Cat label, did not list the 4th track on its sleeve. All three non-album tracks from this record are included as bonus tracks on "", a deluxe, expanded reissue of that album issued in 2006.
Document 5: Maynard James Keenan: Maynard James Keenan (born James Herbert Keenan; April 17, 1964), often referred to by his initials MJK, is an American singer, songwriter, musician, record producer, actor, and winemaker. He is best known as the vocalist for the alternative rock bands Tool, A Perfect Circle, and Puscifer.
Document 6: Pavement (band): Pavement was an American indie rock band that formed in Stockton, California in 1989. The group mainly consisted of Stephen Malkmus (vocals and guitar), Scott Kannberg (guitar and vocals), Mark Ibold (bass), Steve West (drums) and Bob Nastanovich (percussion and vocals). Initially conceived as a recording project, the band at first avoided press or live performances, while attracting considerable underground attention with their early releases. Gradually evolving into a more polished band, Pavement recorded five full-length albums and nine EPs over the course of their decade-long career, though they disbanded with some acrimony in 1999 as the members moved on to other projects. In 2010, they undertook a well-received reunion tour.
Document 7: Wowee Zowee: Wowee Zowee is the third studio album by American indie rock band Pavement. The album showcased a more experimental and spontaneous side of the group, returning them to the clatter and unpredictability of their early recordings after the more traditional rock sound of 1994's "Crooked Rain, Crooked Rain".
Document 8: My Father My King: "My Father My King" is a song by Scottish post-rock band Mogwai, which was released as a single in October 2001. Over 20 minutes long, and billed as a companion piece to the album "Rock Action", a sticker on the cover of the single describes it as "two parts serenity and one part death metal". The song is regularly used to end Mogwai concerts - most recently all six of the band's 20th anniversary shows - and is often extended in length.
Document 9: J Mascis: J Mascis ( ; born Joseph Donald Mascis Jr., December 10, 1965) is an American musician, best known as the singer, guitarist and main songwriter for the alternative rock band Dinosaur Jr. He has also released several albums as a solo artist and played drums and guitar on other projects. His most recent solo album, "Tied to a Star", was released in August 2014. He was ranked number 86 in a "Rolling Stone" list of the "100 Greatest Guitarists", and number 5 in a similar list for "Spin" magazine in 2012.
Document 10: Father to a Sister of Thought: "Father to a Sister of Thought" is a song written by Stephen Malkmus of Pavement that appears on the band's third album, "Wowee Zowee" (1995). On June 20, 1995, the song was released as the second single from the album in 7" vinyl and CD-single formats; the track list is the same for both versions. Both B-sides are included amongst the bonus tracks on 2006's .
Document 11: Sisterworld: Sisterworld is the fifth studio album by experimental rock trio Liars, released on March 9, 2010. The album was written and recorded in Los Angeles with assistance from Tom Biller. In early November, a link was posted on their official Mypace page directing users to www.thesisterworld.com, where "Scissor", the premiere track from "Sisterworld" was made available for free download and streaming. An expanded version of the album is being released with a bonus remix disc featuring remixes from Radiohead's Thom Yorke, TV on the Radio's Tunde Adebimpe, Blonde Redhead's Kazu Makino, Deerhunter's Bradford Cox, Melvins and others.
Document 12: Morrissey: Steven Patrick Morrissey (born 22 May 1959), professionally known as Morrissey, is an English singer, songwriter and author. He rose to prominence as the lead singer of the indie rock band the Smiths, which was active from 1982 to 1987. Since then, Morrissey has had a solo career, making the top ten of the UK Singles Chart on ten occasions.
Document 13: Stephen Malkmus (album): Stephen Malkmus is the debut album by Stephen Malkmus, released on February 13, 2001 by Matador Records. Malkmus had planned to create the record by himself, or through a smaller, local label, but eventually accepted the offer Matador asked, and he released it. Pre-release promotional CDs of the album exist under the working titles "Jicks" and "Swedish Reggae". Malkmus intended to release the album as The Jicks, but Matador insisted that the album be released under his own name. The album peaked at #124 in the US and #49 in the UK.
Document 14: Father, Son, Holy Ghost (album): Father, Son, Holy Ghost is the second and final studio album by San Francisco rock band Girls, released September 13, 2011 on True Panther Sounds in the United States, September 12, 2011 on Fantasytrashcan/Turnstile in Europe, September 7, 2011 in Japan on Fantasytrashcan/Turnstile and September 14 in Mexico on Arts & Crafts México. Three singles were released from the album; "Vomit", "Honey Bunny" and "My Ma", the latter of which was released exclusively on vinyl with a limited 1000 copies in print. The album peaked at #37 on the "Billboard" 200 and received critical acclaim upon its release.
Document 15: Stephen Malkmus: Stephen Joseph Malkmus (born May 30, 1966) is an American musician best known as the lead singer and guitarist of the indie rock band Pavement. He currently performs with Stephen Malkmus and the Jicks.
ground_truth: lead singer and guitarist