Question: Are Wilco and Vampire Weekend both rock bands?

full_context: Document 1: A.M. (Wilco album): A.M. is the debut studio album by the American alternative rock band Wilco, released on March 28, 1995, by Sire Records and Reprise Records. The album was released only months after the breakup of Uncle Tupelo, an alternative country band that was the predecessor of Wilco. Prior to its release, there was debate about whether the album would be better than the debut album of Son Volt, the new band of former Uncle Tupelo lead singer Jay Farrar.
Document 2: The Smashing Pumpkins: The Smashing Pumpkins are an American alternative rock band from Chicago, Illinois, formed in 1988. Formed by frontman Billy Corgan (lead vocals, guitar) and James Iha (guitar), the band included D'arcy Wretzky (bass guitar) and Jimmy Chamberlin (drums) in its original incarnation. It has undergone many line-up changes over the course of its existence, with the current lineup being Corgan and rhythm guitarist Jeff Schroeder.
Document 3: Son Volt: Son Volt is an American alternative country group, formed by Jay Farrar in 1994 after the breakup of Uncle Tupelo.
Document 4: The Vaccines: The Vaccines are an English indie rock band, formed in West London in 2010 by Justin Hayward-Young (lead vocals, guitar), Freddie Cowan (lead guitar, vocals), Árni Árnason (bass, vocals) and Pete Robertson (drums, vocals). After Robertson's departure in 2016, keyboardist Tim Lanham and drummer Yoann Intonti were promoted from touring musicians to official band members.
Document 5: Wilco: Wilco is an American alternative rock band based in Chicago, Illinois. The band was formed in 1994 by the remaining members of alternative country group Uncle Tupelo following singer Jay Farrar's departure. Wilco's lineup changed frequently during its first decade, with only singer Jeff Tweedy and bassist John Stirratt remaining from the original incarnation. Since early 2004, the lineup has been unchanged, consisting of Tweedy, Stirratt, guitarist Nels Cline, multi-instrumentalist Pat Sansone, keyboard player Mikael Jorgensen, and drummer Glenn Kotche. Wilco has released ten studio albums, a live double album, and four collaborations: three with Billy Bragg and one with The Minus 5.
Document 6: Jeff Tweedy: Jeffrey Scot Tweedy (born August 25, 1967) is an American songwriter, musician, and record producer best known as the singer and guitarist of the band Wilco. Tweedy, originally from Belleville, Illinois, started his music career in high school in his band The Plebes with Jay Farrar, which subsequently after several years formed into the alternative country band Uncle Tupelo. After Uncle Tupelo's fourth studio album, the band broke up in 1994 due to conflict between Tweedy and Farrar, prompting Tweedy to form Wilco, with Farrar forming the band Son Volt. Wilco's first album "A.M.", released in 1995, received mixed reviews from critics, though Wilco later found critical and commercial success on their later albums, most notably with "Yankee Hotel Foxtrot" and "A Ghost Is Born", the latter of which received a Grammy for Best Alternative Album in 2005. Across Tweedy's career he has released fifteen studio albums, including four with Uncle Tupelo, ten with Wilco, and one with his son Spencer, along with numerous collaborations with other musicians, most notably "Mermaid Avenue" with Billy Bragg.
Document 7: Ezra Koenig: Ezra Michael Koenig (born April 8, 1984) is an American musician, singer, songwriter, and radio personality. He is the lead vocalist and guitarist of the indie rock band Vampire Weekend.
Document 8: Step (Vampire Weekend song): "Step" is a song by American indie rock band Vampire Weekend. Written and composed by band members Ezra Koenig and Rostam Batmanglij and produced by Ariel Rechtshaid and Batmanglij, the song was released as the fourth and final single from the band's third studio album "Modern Vampires of the City". The song was inspired by American hip-hop group Souls of Mischief's song "Step to My Girl".
Document 9: Loose Fur: Loose Fur is an American rock band comprising Wilco members Jeff Tweedy and Glenn Kotche, and Wilco collaborator Jim O'Rourke. The trio first convened in May 2000 in preparation for a Tweedy performance at a festival in Chicago. Tweedy was offered the opportunity to collaborate with an artist of his choosing, and he decided to work with O'Rourke. O'Rourke brought Kotche to a rehearsal session, and the trio recorded an album's worth of songs. The trio have since released two albums, 2003's "Loose Fur" and 2006's "Born Again in the USA", for Drag City. The band has only toured once.
Document 10: Vampire Weekend (album): Vampire Weekend is the debut studio album by the American indie rock band Vampire Weekend, released in January 2008 on XL Recordings. The album was produced by band member Rostam Batmanglij, with mixing assistance from Jeff Curtin and Shane Stoneback.
Document 11: Unbelievers (Vampire Weekend song): "Unbelievers" is a song by American indie pop band Vampire Weekend. Written by the band's lead singer Ezra Koenig and multi-instrumentalist Rostam Batmanglij, and produced by Ariel Rechtshaid and Batmanglij, the song was released as the third single from their third studio album "Modern Vampires of the City" in August 2013. The band initially premiered "Unbelievers" in a live performance on "Jimmy Kimmel Live" on October 31, 2012. They also performed the song live on an episode of "Saturday Night Live" prior to it being released as a single.
Document 12: Oxford Comma (song): "Oxford Comma" is the third single by Vampire Weekend, released May 26, 2008, from their debut album, "Vampire Weekend".
Document 13: Vampire Weekend: Vampire Weekend is an American rock band from New York City, formed in 2006. They are currently signed to XL Recordings. The band consists of lead vocalist and guitarist Ezra Koenig, drummer and percussionist Chris Tomson and bassist and backing vocalist Chris Baio. The band's first album "Vampire Weekend" (2008) – which included the singles "Mansard Roof", "A-Punk", "Oxford Comma", "Cape Cod Kwassa Kwassa" and "The Kids Don't Stand a Chance" – was acclaimed by critics for its world music influences. Their following album, "Contra" (2010), was similarly acclaimed and garnered strong commercial success. Their third studio album, "Modern Vampires of the City" (2013), won the group a Grammy Award for Best Alternative Music Album in 2014.
Document 14: Ken Coomer: Ken Coomer was the last drummer for the band Uncle Tupelo as well as the drummer for Chicago-based band Wilco until "Yankee Hotel Foxtrot". He was the drummer and co-founder of the Nashville-based band, Clockhammer, in the late 1980s/early 1990s, as well as Buzzkill, during that same time, and he continues to play on various projects.
Document 15: Uncle Tupelo: Uncle Tupelo was an alternative country music group from Belleville, Illinois, active between 1987 and 1994. Jay Farrar, Jeff Tweedy, and Mike Heidorn formed the band after the lead singer of their previous band, The Primitives, left to attend college. The trio recorded three albums for Rockville Records, before signing with Sire Records and expanding to a five-piece. Shortly after the release of the band's major label debut album "Anodyne", Farrar announced his decision to leave the band due to a soured relationship with his co-songwriter Tweedy. Uncle Tupelo split on May 1, 1994, after completing a farewell tour. Following the breakup, Farrar formed Son Volt with Heidorn, while the remaining members continued as Wilco.
ground_truth: yes