Question: Which band, Twenty One Pilots or Chvrches, was founded in Glasgow?
Context: The Blurryface Tour was a worldwide concert tour by American musical duo Twenty One Pilots.  It showcased material from their fourth studio album, "Blurryface".  The tour began on May 11, 2015 in Glasgow, and concluded on May 7, 2016 in Bunbury. Vinyl Theatre is an indie rock band from Milwaukee, Wisconsin, formed by Keegan Calmes and Chris Senner.  The band later grew to include Josh Pothier and Nick Cesarz.  Before being signed to an official record label, they produced several singles that were released on the band's Soundcloud page, leading up to the release of "Chromatic EP" in 2014.  The band was then signed to Fueled by Ramen later in 2014.  They released their first studio album, "Electrogram", with Fueled by Ramen on September 23, 2014.  Vinyl Theatre supported the album by going on a national tour of the United States with Twenty One Pilots. MisterWives is an American pop band based in New York City, consisting of lead singer Mandy Lee, percussionist Etienne Bowler, bass guitarist William Hehir, guitarist Marc Campbell, multi-instrumentalist Jesse Blum, and saxophonist Mike Murphy.  MisterWives have opened for acts such as Panic!  at the Disco, Twenty One Pilots, Half Moon Run, Bleachers, The Mowgli's, Walk the Moon, and American Authors.  The band is currently signed to Photo Finish Records.  The band's debut album "Our Own House" was released in January 2015. American musical duo Twenty One Pilots have released four studio albums, one live album, seven extended plays, fifteen singles and eighteen music videos.  The band was formed in 2009 and currently consists of Tyler Joseph and Josh Dun.  They put out two self-released albums, "Twenty One Pilots" in 2009 and "Regional at Best" in 2011, before being signed by Fueled by Ramen in 2012.  They released their third studio album, "Vessel", with Fueled by Ramen in 2013.  Their fourth studio album, "Blurryface", was released on May 15, 2015 through the same label.  On November 25, 2016, they released "Blurryface Live", a three-LP, Tri-Gatefold Picture Disc Vinyl featuring the live audio recorded during a concert at The Fox Theater in Oakland, CA. Twenty One Pilots is the self-titled debut studio album by American band Twenty One Pilots, released independently on December 29, 2009.  The album sold 115,000 copies and peaked at number 139 on the U.S. "Billboard" 200.  It is the only album to feature bassist Nick Thomas and drummer Chris Salih before they both left the band in 2011. Tim Anderson (p/k/a Timmy "The Terror") is an American songwriter and producer.  Based in Los Angeles, he was a co-founding member of dance/garage/power pop-punk band Ima Robot (alongside Alexander Ebert p/k/a Edward Sharpe).  As a producer, Anderson has worked with artists including Mickey Avalon, Ima Robot, Dead Man's Bones, Mr Little Jeans, Youngblood Hawke, The Sounds, Audra Mae, Solange Knowles, and The Goat.  In 2015, Anderson produced "Message Man" on Twenty One Pilots' album "Blurryface", which debuted at number one on the "Billboard" Top 200 (selling 147,000 copies in its first week). Twenty One Pilots (stylized as TWENTY ØNE PILØTS, and formerly as twenty | one | pilots) is an American musical duo originating from Columbus, Ohio.  The band was formed in 2009 by lead vocalist Tyler Joseph along with former members Nick Thomas and Chris Salih, who left in 2011, and currently consists of Joseph and drummer Josh Dun.  The duo rose to fame in the mid-2010s after several years of touring and independent releases. Chvrches (pronounced and written as "churches" in Roman form and stylised as CHVRCHΞS) are a Scottish synth-pop band from Glasgow, formed in September 2011.  The band consists of Lauren Mayberry (lead vocals, drums, additional synthesisers, samplers), Iain Cook (synthesisers, guitar, bass, vocals) and Martin Doherty (synthesisers, samplers, vocals). Reality Serum is a 2-man ‘Transurban’ band from Long Island, New York.  'Transurban' is a new genre which is a unique blend of Alternative Hip Hop and guitar driven Pop Rock... fans of Twenty One Pilots, Die Antwoord, Muse (band), Rammstein, The Prodigy, Limp Bizkit, Linkin Park, Gary Numan, Mobb Deep, Cake, etc., will definitely be intrigued.  Reality Serum consists of rapper/wordsmith Camanche and multi-instrumentalist/vocalist Twizle.  After their initial emergence in the music scene, they have received high praise for their musical styling and individualistic sound.  The band has released two full-length albums (pre-2013) and numerous singles (2013-present) on Supple Records, Inc. "Tear in My Heart" is a song written and recorded by American musical duo Twenty One Pilots, for their fourth studio album "Blurryface".  "Tear in My Heart" was uploaded to YouTube on April 6, 2015, being released as a single on the same day.  "Tear in My Heart" was released to radio on April 14, 2015.  The video was directed by Marc Klasfeld.  In addition to both band members, lead singer Tyler Joseph's wife Jenna also appears in the music video.  It is one of the band's highest-charting songs, spending eight weeks at the number two spot on the "Billboard" Alternative Songs chart, with X Ambassadors' "Renegades" keeping it from topping the chart.
Answer: Chvrches