Question: Them Crooked Vultures and The Rockfords, are both bands for which music type?

full_context: Document 1: List of Pearl Jam band members: Pearl Jam is an American alternative rock band that formed in Seattle, Washington in 1990. The original incarnation of Pearl Jam included bassist Jeff Ament, guitarists Stone Gossard and Mike McCready, vocalist Eddie Vedder, and drummer Dave Krusen. This line-up recorded Pearl Jam's debut studio album, "Ten". Krusen left the band in May 1991, three months before the album was released.
Document 2: 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 3: Them Crooked Vultures (album): Them Crooked Vultures is the debut studio album by the rock supergroup Them Crooked Vultures that was released on November 16, 2009. The first single from the album, "New Fang", was released on October 26, 2009, followed by "Mind Eraser, No Chaser" on November 3. The album debuted at number 12 on the "Billboard" 200, selling 70,000 units in the US in its first week.
Document 4: Deserve the Future Tour: The Deserve the Future Tour was a worldwide concert tour by American rock supergroup Them Crooked Vultures. The tour began on August 9, 2009, and ran until July 30, 2010, after a run of shows in Japan, and visited North America, Europe and Oceania. The tour was in support of the band's debut album.
Document 5: Temple of the Dog: Temple of the Dog was an American rock band that formed in Seattle, Washington in 1990. It was conceived by vocalist Chris Cornell of Soundgarden as a tribute to his friend, the late Andrew Wood, lead singer of the bands Malfunkshun and Mother Love Bone. The line-up included Stone Gossard on rhythm guitar, Jeff Ament on bass guitar (both ex-members of Mother Love Bone), Mike McCready on lead guitar, and Matt Cameron on drums. Eddie Vedder appeared as a guest to provide some lead and backing vocals.
Document 6: Carrie Akre: Carrie Akre (born September 24, 1966) is an American musician best known for her work with Seattle underground bands Hammerbox and Goodness.
Document 7: The Rockfords: The Rockfords were an American rock band formed in Seattle, Washington, in 1999 by Carrie Akre, Chris Friel, and Danny Newcomb of Goodness, Mike McCready of Pearl Jam, and Rick Friel of Jodie Watts. The group served as a side project for its members, who had already tasted success with their respective bands.
Document 8: New Fang: "New Fang" is the debut single by Los Angeles-based rock supergroup Them Crooked Vultures. It was the first track the band worked on. "New Fang" was released as the first single from the band's self-titled debut album (2009).
Document 9: Led Zeppelin: Led Zeppelin were an English rock band formed in London in 1968. The group consisted of guitarist Jimmy Page, singer Robert Plant, bassist and keyboardist John Paul Jones, and drummer John Bonham. The band's heavy, guitar-driven sound has led them to be cited as one of the progenitors of heavy metal, though their unique style drew from a wide variety of influences, including blues, psychedelia, and folk music.
Document 10: Pearl Jam: Pearl Jam is an American rock band formed in Seattle, Washington, in 1990. Since its inception, the band's line-up has consisted of Eddie Vedder (lead vocals), Mike McCready (lead guitar), Stone Gossard (rhythm guitar) and Jeff Ament (bass). The band's fifth member is drummer Matt Cameron (also of Soundgarden), who has been with the band since 1998. Boom Gaspar (piano) has also been a session/touring member with the band since 2002. Drummers Dave Krusen, Matt Chamberlain, Dave Abbruzzese and Jack Irons are former members of the band.
Document 11: Mike McCready: Michael David "Mike" McCready (born April 5, 1966) is an American musician who serves as the lead guitarist for the American grunge band Pearl Jam. Along with Jeff Ament, Stone Gossard and Eddie Vedder, he is one of the founding members of Pearl Jam. McCready was also a member of the side project bands Flight to Mars, Temple of the Dog, Mad Season and The Rockfords. He is also the proprietor of Hockey Talkter Records.
Document 12: Mind Eraser, No Chaser: "Mind Eraser, No Chaser" is the second single released by rock supergroup Them Crooked Vultures. "Mind Eraser, No Chaser" was released on November 3, 2009 as the second single from the band's self-titled debut album (2009). It was released as iTunes's Single Of The Week as part of promotion for their debut album. The song features vocals from both guitarist Josh Homme and drummer Dave Grohl.
Document 13: Goodness (band): Goodness was an American rock band from Seattle, Washington, led by Carrie Akre, formerly of Hammerbox and now primarily a solo artist. Goodness featured Akre (vocals), Danny Newcomb (lead guitar), Garth Reeves (guitar), Fiia McGann (bass), and Chris Friel (drums). Akre, Friel, and Newcomb later joined Mike McCready of Pearl Jam and Rick Friel to form the rock band The Rockfords.
Document 14: List of Foo Fighters band members: Foo Fighters is an American alternative rock band formed by multi-instrumentalist and vocalist Dave Grohl in 1994. After recording the album "Foo Fighters" alone, Grohl enlisted guitarist Pat Smear, bassist Nate Mendel and drummer William Goldsmith to join the band. This lineup recorded the second Foo Fighters album, 1997's "The Colour and the Shape", although most of Goldsmith's drum recordings were removed and re-recorded by Grohl for the release, after he left the band due to creative tensions. Goldsmith was replaced by Taylor Hawkins, and Franz Stahl replaced Smear after he also departed, although he only remained in the band for a short period and did not record an album with the group. The group's third album, "There Is Nothing Left to Lose", featured Hawkins on drums and was released in 1999.
Document 15: Them Crooked Vultures: Them Crooked Vultures is a rock supergroup formed in Los Angeles in 2009 by John Paul Jones (former member of Led Zeppelin) on bass and keyboards, Dave Grohl (of Foo Fighters and formerly of Nirvana) on drums and backing vocals, and Josh Homme (of Queens of the Stone Age, Eagles of Death Metal and formerly of Kyuss) on guitar and vocals. The group also includes guitarist Alain Johannes during live performances. The band began recording in February 2009, and performed their first gig on August 9, 2009, in Chicago, followed by a European debut on August 19. On October 1 the group embarked on a worldwide tour titled "Deserve the Future" with dates going into 2010. The band's first single "New Fang" was released in October 2009, followed by the group's self-titled debut album the following month, debuting at number 12 on the "Billboard" 200. The group won the 2011 Grammy Award for Best Hard Rock Performance for "New Fang".
ground_truth: rock