Question: Autolux and Polvo are both types of what?

full_context: Document 1: Autolux: Autolux is an American alternative rock band consisting of Eugene Goreshter (vocals, bass), Greg Edwards (vocals, guitar, piano) and Carla Azar (drums, vocals). The trio formed in 2001 and have released three full-length albums, "Future Perfect" (2004), "Transit Transit" (2010) and "Pussy's Dead" (2016). Their eclectic sound draws from post-punk, electronic music and krautrock.
Document 2: HalfNoise: HalfNoise (often stylized as HALFNOISE) is the musical project of Zac Farro, drummer of the American rock band Paramore. Based in Nashville, Tennessee, Farro formed the project alongside Jason Clark following Farro's departure from Paramore in 2010. The project now consists of Farro alone. He released the debut self-titled EP of the project, "HalfNoise, "in 2012. Since then, he released two studio albums, "Volcano Crowe" (2014) and "Sudden Feeling" (2016), and the "The Velvet Face" EP in 2017.
Document 3: 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 4: A Perfect Circle discography: The discography of American alternative rock supergroup A Perfect Circle consists of three studio albums, two compilation albums, one extended play, one video album, nine singles, one promotional single and ten music videos. A Perfect Circle is the brainchild of Billy Howerdel. After hearing demos of Howerdel's music, Maynard James Keenan, the lead singer of Tool, offered his services as vocalist. Howerdel agreed, and the band formed in 1999. They were then joined by bassist/violinist Paz Lenchantin, guitarist Troy Van Leeuwen, formerly of Failure, and drummer Tim Alexander, formerly of Primus. Soon after entering the studio to record their first album, Alexander was replaced by Josh Freese of The Vandals. "Mer de Noms" was released in May 2000, selling 188,000 copies its debut week. The band embarked on a number of headlining tours all over the world to promote the album which was certified gold by the Recording Industry Association of America (RIAA) one month after its release, and platinum just four months later.
Document 5: The Need: The Need is an American queercore band formed by singer/drummer Rachel Carns and guitarist Radio Sloan in Portland, Oregon in the mid-1990s. After issuing a series of seven-inches on labels including Kill Rock Stars and Outpunk, The Need relocated to Olympia, Washington and released two albums for Chainsaw Records. The duo's unsettling brand of post-punk art rock (combined with Carns' distinctive artwork) would set them apart and ensure their versatility. During the band's initial run, they played shows with such diverse acts as Tribe 8, Fugazi, The Ex and Bright Eyes, and toured with Le Tigre, BS 2000 and Blonde Redhead. Their third album, "The Transfused", acted as a soundtrack to the rock opera of the same name. The Need dissolved in 2001, with Carns and Sloan shifting their focus to other projects. After briefly reuniting for benefit shows in 2010, The Need reformed for a second time in 2013 and released the album "Resurrection".
Document 6: A Perfect Circle: A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan. A Perfect Circle has released three albums: their debut "Mer de Noms" in 2000, a follow up, "Thirteenth Step" in 2003, and an album of radically re-worked cover songs titled "Emotive" in 2004. Shortly after "Emotive"' s release, the band went into hiatus while Keenan returned to Tool and starting up solo work in the form of the band Puscifer, and Howerdel releasing a solo album, "Keep Telling Myself It's Alright", under the moniker Ashes Divide. Band activity was sporadic in the coming years; the band reformed in 2010, and played live shows on and off between 2010 and 2013, but fell into inactivity after the release of their greatest hits album, "Three Sixty", and a live album box set, "" in late 2013. However, in 2017, the band returned to touring and announced plans to record and release a fourth studio album under a new record label, BMG Rights Management, between late 2017 and early 2018.
Document 7: Powder (band): Powder were a Britpop band, who existed between 1994 and 1997, and released three singles on Parkway Records. Signed in late 1994 by music public relations agents John Best and Phill Savidge, they were the first band on the label. Powder were fronted by Pearl Lowe, with songwriters Mark Thomas on guitar and Tim McTighe on bass and James Walden on drums. Their first single "20th Century Gods", a "Select" Single Of The Month, sold out of its pressing of 1,500 within two days. This was followed by the release of "Afrodisiac" in June 1995, and appearances at music festivals as well as prime-time BBC music special "Britpop Now".
Document 8: Electric Six: Electric Six is a six-piece band from Detroit, Michigan. Their style has been described as a brand of rock music infused with elements of "garage, disco, punk rock, new wave, and metal." The band met recognition in 2003 with the singles "Danger! High Voltage" and "Gay Bar", and subsequently released 14 full-length albums, two rarities albums, and a live album. A live DVD, "Absolute Treasure", was released for download in 2014. The current lineup of the band consists of singer Dick Valentine, guitarists Johnny Na$hinal and Da Vė, drummer Two-Handed Bob, keyboardist Tait Nucleus?, and bassist Rob Lower.
Document 9: Sweet Noise: Sweet Noise is a Polish alternative metal band. The group was formed in 1990 in Swarzędz. They have released eight CDs (included two international versions) and appeared three times at the Przystanek Woodstock festival with the special show in 2003 when more than 400,000 people watched the culmination of what the band refers to as conceptual art of Revolta White Shock. The leader and creator of the band is Peter "Glaca" Mohamed. Mohamed is the singer, musician, performer, producer and conceptual artist. He developed an experimental, multimedia project Noise Inc.. He is also involved in project Serce with Toshi Kasai and M.T.void which is a musical outfit run by Mohamed and Justin Chancellor, the bass player of Tool.
Document 10: Lux Interior: Erick Lee Purkhiser (October 21, 1946 – February 4, 2009), better known by the stage name Lux Interior, was an American singer and a founding member of the rockabilly band The Cramps from 1972 until his death in 2009 at age 62.
Document 11: The dB's: The dB's are an American power pop and jangle pop group who first came into prominence in the late 1970s and 1980s. The band members are Peter Holsapple, Chris Stamey, Will Rigby and Gene Holder. While the members are all from Winston-Salem, North Carolina, the group was formed in New York City in 1978. In 2012, the band completed its first new studio album in 25 years and its first in 30 years with the original 1978 lineup.
Document 12: Low (band): Low is an American indie rock group from Duluth, Minnesota, formed in 1993. As of 2010, the group is composed of founding members Alan Sparhawk (guitar and vocals) and Mimi Parker (drums and vocals), joined by Steve Garrington (bass guitar). Previous bassists for the band include John Nichols from 1993 to 1994; Zak Sally from 1994 to 2005 and Matt Livingston from 2005 to 2008.
Document 13: At the Drive-In: At the Drive-In is an American punk rock band from El Paso, Texas, formed in 1994. The band currently consists of Cedric Bixler (vocals), Omar Rodríguez (guitar, vocals), Paul Hinojos (bass), Tony Hajjar (drums) and Keeley Davis (guitar, vocals). After several early line-up changes, the band solidified into a five-piece, consisting of Bixler, Rodríguez, Jim Ward, Hinojos and Hajjar. At the Drive-In released three studio albums and five EPs before breaking up in 2001. Their third and final album before their split, 2000's "Relationship of Command", received a number of accolades and is cited as a landmark of the post-hardcore genre. Following the breakup, Bixler-Zavala and Rodríguez-López formed The Mars Volta while Ward, Hinojos, and Hajjar formed Sparta. At the Drive-In reunited in January 2012 and played the 2012 Coachella Valley Music and Arts Festival, as well as the 2012 Lollapalooza Festival. In 2016, the band reunited for a second time, with guitarist and occasional lead vocalist Jim Ward no longer participating. He was replaced by Sparta's Keeley Davis. The band released their fourth studio album, "in•ter a•li•a", in 2017.
Document 14: Sonic Youth: Sonic Youth was an American rock band from New York City, formed in 1981. Founding members Thurston Moore (guitar, vocals), Kim Gordon (bass guitar, vocals, guitar) and Lee Ranaldo (guitar, vocals) remained together for the entire history of the band, while Steve Shelley (drums) followed a series of short-term drummers in 1985, and rounded out the core line-up. In their early career Sonic Youth were associated with the no wave art and music scene in New York City. Part of the first wave of American noise rock groups, the band carried out their interpretation of the hardcore punk ethos throughout the evolving American underground that focused more on the DIY ethic of the genre rather than its specific sound.
Document 15: Polvo: Polvo is an American indie noise rock band from Chapel Hill, North Carolina. The band, formed in 1990, is fronted by guitarists/vocalists Ash Bowie and Dave Brylawski. Brian Quast plays drums, and Steve Popson plays bass guitar. Eddie Watkins was the band's original drummer, but did not rejoin the band upon its reunion in 2008.
ground_truth: rock band