Question: Gary LeVox and Barney Greenway, are British?

Context articles: I Melt
Summer Nights (Rascal Flatts song)
Barney Greenway
Changed (song)
I Won't Let Go (Rascal Flatts song)
Hypomanic (album)
Rascal Flatts discography
Rascal Flatts
Gary LeVox
If You Didn't Love Me

"I Melt" is a song written by Gary LeVox, Wendell Mobley and Neil Thrasher and recorded by American country music group Rascal Flatts.
 It was released in July 2003 as the third single from their album "Melt".
 It peaked at number 2 on the "Billboard" Hot Country Singles & Tracks for three weeks behind "I Love This Bar" by Toby Keith, becoming their seventh entry on that chart.
"Summer Nights" is a song recorded by American country music group Rascal Flatts.
 It was written by the band's lead singer Gary LeVox, along with Brett James and busbee.
 It was released in May 2009 as the second single from its sixth studio album "Unstoppable".
Mark Andrew "Barney" Greenway (born 13 July 1969) is a British extreme metal vocalist, who has been a member of Napalm Death, Extreme Noise Terror, and Benediction.
"Changed" is a song recorded by American country music group Rascal Flatts.
 It was released in December 2012 as the third single from their eighth studio album, "Changed".
 The song was written by Gary LeVox, Wendell Mobley and Neil Thrasher.
 It was released to country radio on December 17, 2012 and AC and Christian AC radio on January 22, 2013.
"I Won't Let Go" is a song written by Steve Robson and Jason Sellers and recorded by American country music group Rascal Flatts.
 It was released in January 2011 as the second single from the band's seventh studio album, "Nothing Like This" as well as their 28th single overall.
 The song received positive reviews from critics who praised Gary LeVox's vocal delivery for showing more maturity.
 "I Won't Let Go" peaked at number 2 on the "Billboard" Hot Country Songs chart and number 31 on the Hot 100.
 The song was certified Platinum by the Recording Industry Association of America (RIAA), denoting sales of over one million units in the country.
 It also managed to chart in Australia and Canada, peaking at numbers 39 and 68 respectively.
 The accompanying music video for the song was directed by Deaton-Flanigen Productions and is footage of a live performance.
Hypomanic is Leng Tch'e's fifth full-length album and their first on Season Of Mist.
 A video was made for the song "Totalitarian" on YouTube , featuring a guest appearance by Barney Greenway of Napalm Death.
Rascal Flatts is an American country group founded in 2000 by Gary LeVox, Jay DeMarcus, and Joe Don Rooney.
 Signed to Lyric Street Records since its foundation, the band has released ten studio albums plus a Greatest Hits package, all on the Lyric Street Records label.
 Their highest-certified album is "Feels Like Today", which is certified 5× Platinum.
 Except for their 2000 self-titled debut, all of the group's albums have reached No. 1 on the Top Country Albums chart.
Rascal Flatts is an American country music trio formed in Columbus, Ohio in 1999.
 It is composed of Gary LeVox, his second cousin Jay DeMarcus and Joe Don Rooney.
 DeMarcus is also a brother-in-law of country music singer James Otto, and formerly one-half of the Christian music duo East to West.
Gary LeVox (born Gary Wayne Vernon, Jr., July 10, 1970), is an American singer and songwriter.
 He is known for being the lead vocalist of the contemporary Country Pop trio Rascal Flatts, and his stage name is taken from the studio-console label for his lead-vocal track.
"If You Didn't Love Me" is a song recorded by American country music artist Phil Stacey.
 If was released in February 2008 as the first single from the album "Phil Stacey".
 The song reached #28 on the "Billboard" Hot Country Songs chart.
 The song was written by Gary LeVox, Jason Sellers and Wendell Mobley.