Question: Are The Joy Formidable and Dave Grohl both from the United States?

Context articles: Sonic Highways
I've Been Waiting for You (Neil Young song)
Alex Dezen
Rick Joy
Dave Grohl
Songs for the Deaf
Incesticide
The Joy Formidable
There Is Nothing Left to Lose
Slashed

Sonic Highways is the eighth studio album by the American rock band Foo Fighters.
 It was produced by Butch Vig and was released on November 10, 2014, on RCA Records.
 In writing the album's eight songs, singer and guitarist Dave Grohl traveled to eight cities across the United States to conduct interviews with musicians, recording engineers, record producers, and other individuals discussing each city's musical history, which he used as inspiration for the songs' lyrics.
 The band and Vig then traveled to a different recording location in each city to record the songs.
 Each track features contributions from one or more musicians with ties to that city's musical history.
 The process was filmed for a companion television series, "", which was broadcast on HBO in the months surrounding the album's release.
"I've Been Waiting for You" is a song written by Neil Young for his debut solo album in 1968.
 The band Wild Butter released a cover version in 1970: United Artists, UAS 6766.
 David Bowie recorded a version of the song, which features Dave Grohl on guitar, for his "Heathen" album in 2002 prior to releasing the song as a single in Canada, where it reached number 11 in the Canadian charts.
 The song has also been covered by the Pixies and released on the B-side of their single "Velouria".
 It was also covered by Dinosaur Jr. for the tribute album "The Bridge: A Tribute to Neil Young", but never released.
Alex Dezen (born June 26, 1978) is a solo artist and the lead singer and songwriter for the American rock and roll band The Damnwells.
 He is also a multi-platinum selling songwriter.
 He holds an MFA degree in English from The University of Iowa's Iowa Writers' Workshop, which he attended from 2008-2010 as a Jeffrey G. and Victoria J. Edwards Fellow.
 As a songwriter, he has written and released songs for artists such as Justin Bieber, Matt Hires, Court Yard Hounds, The Veronicas, and others.
 He has also written for and worked with a number of additional artist such as The Dixie Chicks, Dave Grohl, Gary Louris of The Jayhawks, Sara Bareilles, Christina Perri, Genevieve Schatz of Company of Thieves, Simple Plan, Jesse & Joy, Bun E. Carlos and many others.
 He is currently signed to Warner Chappell Music Publishing.
Rick Joy (born 1958 Maine, United States) is an American architect.
 Rick Joy is Principal of Rick Joy Architects, an architecture and planning firm established in 1993 in Tucson, Arizona.
David Eric Grohl (born January 14, 1969) is an American rock musician, guitarist, singer, drummer, songwriter, record producer, and film director.
 He is the former drummer of the grunge band Nirvana and the frontman and founder of the rock band Foo Fighters, of which he is the lead vocalist, rhythm and lead guitarist, and primary songwriter.
Songs for the Deaf is the third studio album by American rock band Queens of the Stone Age.
 Released on August 27, 2002, the album features Foo Fighters and former Nirvana member Dave Grohl on drums.
 Like their other albums, "Songs for the Deaf" has a large number of guest musicians, a signature of the band's releases.
 The album garnered critical acclaim, and the band earned its first gold record certification in the United States.
 One million copies of the album were sold in Europe, earning the band a platinum certification from the International Federation of the Phonographic Industry (IFPI) in 2008.
Incesticide is a compilation album by the American grunge band Nirvana.
 It consists of their 1990 non-album single "Sliver", B-sides, demos, outtakes, covers, and radio broadcast recordings.
 At the time, the majority of the material on "Incesticide" was circulating within fan communities (albeit in lower quality).
 It was widely reported in the music press that the band wanted to offer fans a higher-quality alternative, but in the book "Cobain Unseen", Charles R. Cross writes that Kurt Cobain agreed to the release of this compilation because he was allowed complete control over the album's artwork.
 The album was released on December 14, 1992 in Europe, and December 15, 1992 in the United States and eventually reached number 39 on the "Billboard" 200.
 Since the songs were recorded in different sessions and some were recorded when Nirvana did not have a stable formation, the album includes recordings by four different drummers: Chad Channing, Dan Peters, Dale Crover, and Dave Grohl.
The Joy Formidable is a Welsh alternative rock band, formed in 2007 in North Wales and currently based in London, England.
 The band consists of Rhiannon "Ritzy" Bryan (lead vocals, guitar), Rhydian Dafydd (bass, vocals) and Matthew James Thomas (drums, percussion).
There Is Nothing Left to Lose is the third studio album by American rock band Foo Fighters, released November 2, 1999.
 The album marks the first appearance of drummer Taylor Hawkins, and is often seen as a departure from the band's previous work, showcasing a softer, more experimental sound.
 In a 2006 interview, Dave Grohl states that the album is "totally based on melody" and that it "might be his favorite album that they've ever done."
Slashed is a low budget independent horror film, financed and directed by Ash and written by Jed Shepherd.
 The film was shot in 2002, purely on a video camcorder when Ash were on tour in the United States supporting Coldplay - who subsequently appeared in the movie as detectives, along with various other musicians who the band ran into on their tour, including Dave Grohl, Moby and Neil Hannon.