Question: Blink-182 bassist and drummer also played in a rocker supergroup formed in what city in 2005?
Context: The American rock band Blink-182 has recorded songs for seven studio albums, as well as numerous extended plays.  This list comprises the band's recorded catalog, as well as live renditions, early demo tracks, recorded appearances on other albums, and one unreleased track.  Blink-182 formed in Poway, a suburb of San Diego, California in 1992.  The trio consists of bassist and vocalist Mark Hoppus, drummer Travis Barker, and guitarist and vocalist Matt Skiba (replacing Tom DeLonge who helped found the band and played in it until 2015).  The band is considered a key group in the development of pop punk music; their combination of pop melodies with fast-paced punk rock featured a more radio-friendly accessibility than prior bands.  The group, with original drummer Scott Raynor, emerged from the Southern California punk scene of the early 1990s and first gained notoriety for high-energy live shows and irreverent lyrical toilet humor. Tinted Windows is an American rock supergroup formed by guitarist James Iha, previously of The Smashing Pumpkins, singer Taylor Hanson of Hanson, bassist Adam Schlesinger of Fountains of Wayne and Ivy, and Bun E. Carlos of Cheap Trick.  Josh Lattanzi also often performs with the band as the second guitarist.  This new project will run alongside all the artists' main bands.  The first performance by the band was on March 18, 2009 at Cain's Ballroom in Tulsa, Oklahoma in a small show at the side-stage.  Tickets sold out quickly and people flew from all over the world to see the debut.  The band made their South by Southwest Festival debut in Austin, Texas on Friday, March 20, 2009 at the Levi/Fader Fort, followed by a set at Pangaea.  The band also played at The Bamboozle music festival in New Jersey on May 3, 2009. +44 (read as Plus Forty-four) was an American rock supergroup formed in Los Angeles, California in 2005.  The group consisted of vocalist and bassist Mark Hoppus and drummer Travis Barker of Blink-182, lead guitarist Shane Gallagher of The Nervous Return and rhythm guitarist Craig Fairbaugh of Mercy Killers.  Hoppus and Barker created +44 shortly after the initial 2005 breakup of Blink-182, before they were later reformed, and the band's name refers to the international dialing code of the United Kingdom, the country where the duo first discussed the project.  Early recordings were largely electronic in nature, and featured vocals by Carol Heller, formerly of the all-girl punk quartet Get the Girl. My Dinosaur Life is the fourth studio album by the American rock band Motion City Soundtrack.  Produced by Mark Hoppus, the album was released on January 19, 2010 by Columbia Records.  After many years on independent label Epitaph Records, Motion City Soundtrack signed to major label Columbia in 2006, prior to the release of their third album, "Even If It Kills Me" (2007).  Blink-182 bassist Mark Hoppus returned to produce the album; he had previously worked with the band on their 2005 breakthrough "Commit This to Memory". Phantom, Rocker & Slick was an American rock band active in the mid-1980s.  The bandmembers were drummer Slim Jim Phantom, bassist Lee Rocker, and guitarist Earl Slick.  Phantom and Rocker had previously played together as members of the Stray Cats.  They released two albums, "Phantom, Rocker & Slick" and "Cover Girl", on EMI Records before disbanding. Greatest Hits is the first greatest hits album of American rock band Blink-182.  It was released on October 31, 2005 by Geffen Records.  "Greatest Hits" was created by Geffen shortly after the band's February 2005 breakup, termed an "indefinite hiatus" by the label.  Tensions had risen in the group and guitarist Tom DeLonge desired to take time off.  Bassist Mark Hoppus and Travis Barker argued with DeLonge regarding the band's future and their possible next album, and heated exchanges led to DeLonge's exit.  In the interim, Hoppus and Barker continued playing together in +44, and DeLonge formed his new outfit Angels & Airwaves. Teenage Time Killers is a rock supergroup formed in February 2014 by My Ruin guitarist Mick Murphy and Corrosion of Conformity drummer Reed Mullin.  Guests include Dave Grohl (former drummer of Nirvana and current lead singer of the Foo Fighters), Stephen O'Malley (of Sunn O))) and Burning Witch), Corey Taylor (lead vocalist of Slipknot and founder of Stone Sour), Nick Oliveri (former bassist for Queens of the Stone Age, currently with The Dwarves), Jello Biafra (former front man of Dead Kennedys, currently with The Guantanamo School Of Medicine), Matt Skiba (vocalist and guitarist of Alkaline Trio and current guitarist and vocalist for Blink-182) and Randy Blythe (lead vocalist of Lamb of God).  The band's name refers to the Rudimentary Peni song of the same name.  Their debut album, titled "Teenage Time Killers: Greatest Hits Vol.  1", was recorded at Grohl's Studio 606, and was released July 28, 2015.  through Rise Records, with whom the group signed in December 2014.  The album contains a version of John Cleese's poem "Ode to Hannity," sung by Biafra.  Mullin has stated that he isn't sure whether the group will tour, but that they are considering a live appearance on a show such as "Jimmy Kimmel Live! ", possibly with "three or four singers [coming] out at a time". Blink-182 (often stylized as blink-182; pronounced "blink one eighty two") is an American rock band formed in Poway, California in 1992.  Since 2015, the lineup of the band has consisted of bassist and vocalist Mark Hoppus, drummer Travis Barker, and guitarist and vocalist Matt Skiba.  Founded by guitarist and vocalist Tom DeLonge, Hoppus and drummer Scott Raynor, the band emerged from the Southern California punk scene of the early 1990s and first gained notoriety for high-energy live shows and irreverent lyrical toilet humor.  Blink-182 was initially known as Blink until an Irish band of the same name threatened legal action; in response, the band appended the meaningless number "-182". Krokodil is a British heavy metal supergroup formed in 2011, currently consisting of vocalist Simon Wright (Liber Necris, Canaya, Evisorax), guitarists Laurent Barnard (Gallows), Daniel P. Carter (A, Bloodhound Gang, Hexes) and Chris Binns (Liber Necris), bassist James Leach and drummer Dan Foord (Sikth).  After making their live debut at Download Festival in 2013, they released their debut album Nachash in 2014.  Founding guitarist Alessandro Venturella (formerly of Cry for Silence) left the band that year to join Slipknot as their bassist, with Binns joining in his place. Pitch Black Forecast is a Groove Metal supergroup formed in 2005 with a lineup consisting of Mushroomhead frontman Jason Popson and ex-Strapping Young Lad drummer Gene Hoglan and former Integrity bassist Steve Rauckhorst.  Formed in Ohio back in 2005 under the name Absentee.  They released their debut record Absentee in 2008 featuring guest contributions from Lamb of God frontman Randy Blythe and The Human Furnace from Ringworm.
Answer: Los Angeles, California