Question: Are Hellogoodbye and Built to Spill both rock bands?

Context paragraphs:
Demons (band): Demons are a punk rock/garage punk band from Sweden.  The band includes quotation marks in their name to differentiate themselves from other bands with a similar name.  Their music has been described as "punk 'n' roll", but the band claims it should only be described as high-energy rock.  Their musical style relies heavily on the energy derived from punk rock.  Influences include 1960s garage rock bands such as The Sonics, The Standells and Shadows of Knight, The Velvet Underground, The Stooges and New York Dolls; and punk rock bands such as The Damned, The Heartbreakers and The Saints; and early hardcore punk bands such as Black Flag, Bad Brains and Dead Kennedys.  "Demons" has often been compared to contemporary groups like New Bomb Turks, The Hellacopters and Electric Frankenstein.

Phil Ek: Phil Ek is an American record producer, engineer and mixer.  Ek began his career in Seattle, Washington, in the early 1990s recording live sound in clubs.  He then moved into studio recording, recording small projects and demos for local bands.  Around this time, Ek was frequently working with influential producer Jack Endino.  Producing Built to Spill's second album, "There's Nothing Wrong with Love", proved to be Ek's mainstream breakthrough, the album has since ranked in the Top Ten of Spin Magazine's top indie records of all time.  Phil Ek has worked with such indie rock bands as Band of Horses, Fleet Foxes, Modest Mouse, The Shins, Built to Spill, 764-HERO, Big Business and Mudhoney.

Bamboozle Road Show 2010: The Bamboozle Road Show 2010 was the third Bamboozle Road Show, an American nationwide concert tour based on the Bamboozle Festival.  Each concert in the tour featured a main stage for well-known bands and a second stage for lesser known bands to perform on.  The bands who performed on the main stage on the 2010 tour were headliners All Time Low, Boys Like Girls, LMFAO and Third Eye Blind, supported by Good Charlotte, Hanson, Forever the Sickest Kids, Hellogoodbye and Cartel.  Tickets went on sale on to the public on 6 March 2010.  The tour included 24 shows in 17 states from 21 May to 27 June 2010 after 2 dates were cancelled due to scheduling issues.  All Time Low was banned from one Texas show after they criticized the way their fans were handled at a previous show when some fans were pepper sprayed by police for fighting over a t-shirt thrown into the crowd.

Built to Spill: Built to Spill is an American indie rock band based in Boise, Idaho, United States.  The band has released eight full-length albums.  Its most recent album, "Untethered Moon", was released on April 21, 2015.

Hellogoodbye: Hellogoodbye (sometimes styled as hellogoodbye) is a pop rock band that was formed in Huntington Beach, California in 2001 by singer Forrest Kline.  They were signed to Drive-Thru Records and released their first full-length album "Zombies!  Aliens!  Vampires!  Dinosaurs! " in 2006, in addition to their previously released EP "Hellogoodbye" and DVD "OMG HGB DVD ROTFL".  In 2010, the band released "Would It Kill You? " on their label Wasted Summer Records.  The album was released in the United Kingdom and Europe by LAB Records on the 14 March 2011.  Hellogoodbye released their third album, Everything is Debatable, on October 29, 2013, while touring as the opening act for Paramore's The Self-Titled Tour.

There's Nothing Wrong with Love: There's Nothing Wrong with Love is the second full-length album released by indie rock band Built to Spill.  The line-up for the album was guitarist and vocalist Doug Martsch, bassist Brett Nelson, and drummer Andy Capps.  "There's Nothing Wrong with Love" was recorded in May and June 1994, and released September 13, 1994, on the Up Records label.  It was produced by Phil Ek.  The songs "Car" and "Distopian Dream Girl" were released as singles.  The video for "In the Morning" was featured on "Beavis and Butt-head". " Pitchfork" ranked "There's Nothing Wrong with Love" No. 24 on its Top 100 Albums of the 90s list.  An unlisted final track is a satirical preview of the next Built to Spill album.  None of the clips on the track are real Built to Spill songs.  Sub Pop reissued the album on vinyl in 2015.

G.a.s. Drummers: G.a.s. Drummers was a melodic hardcore band formed in Jerez de la Frontera, Spain at the end of 1997 by three teenagers who stood out from their other students due to their colourful hair dies and their taste in the california punk rock bands such as Bad Religion, Operation Ivy, NOFX, Lagwagon, The Descendents etc.  Original members from other small local bands Dani Llamas (guitar and vocals), Pakomoto (Bass and vocals) and Rafa Camison (Drums) started playing together and composing their own music and after one year of sending demos around the country they got put as the opening act for Swedish Punk Rock band Randy on their Spanish tour.  A tour that took the band through the whole country helping a lot of Spanish kids discover that there were actually Spanish bands capable of sounding as good as some of their favorite American bands.  This lead immediately the band to sign to a young record label called Slide Chorus Records a young emerging record label from Madrid which would start releasing albums for other Spanish Punk Rock bands.  This first release titled Proud To Be Nothing hit the streets at the end of 1999 and was presented on their first European tour which covered Spain, Great Britain, France and the Netherlands amongst Spanish punk rock legend[P.P.M.

Ralf Youtz: Ralf Youtz (born 1972) is an American musician.  Youtz was the original drummer in the Boise, Idaho-based indie rock band Built to Spill.  He appeared on their 1993 debut album, "Ultimate Alternative Wavers".  Youtz was replaced by Andy Capps after the album's release, although he would work with Martsch again with The Halo Benders.  Youtz also had short stints with the bands Sone and The Feelings.  Youtz plays guitar and sings in Ape Shape, which opened for Built to Spill on several dates of their 2005 tour.  He also plays bass in The No-No's.  His sister, Karena Youtz is married to Built to Spill frontman Doug Martsch.

Haitian rock: Haitian rock, or rock kreyòl, started as rock n roll in Haiti in the early 1960s.  It was played by rock bands called "yeye" bands.  The name "yeye" derives from the Beatles lyrical verse, "yeah, yeah, yeah", which took off in the United States and was listened to by upper class Haitian families who had access to the radio.  Young Haitians formed small electric guitar-based bands.  These "yeye" rock bands were short-lived, as the addition of "compas" to their repertoires resulted in a sound was called mini-jazz, or "mini-djaz" in creole.

Built to Spill Caustic Resin: Built to Spill Caustic Resin was an EP released by indie rock bands Built to Spill and Caustic Resin.  The EP was less a split release by both bands and more a collaboration between the bands.

Supporting paragraphs: Hellogoodbye Built to Spill
Answer: yes