"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".
Dog on Wheels is the debut EP by Belle & Sebastian, released in 1997 on Jeepster Records.
 The four recordings on the EP actually pre-date the band's début album "Tigermilk", produced whilst bandmembers Stuart Murdoch and Stuart David were on the Beatbox music course in Glasgow.
 Murdoch, David and Mick Cooke are the only long-term members to play on the songs, though Cooke only appears on the title track.
 The drums were supplied by David Campbell, whilst Brian Nugent played flute on "String Bean Jean", and Gerry Campbell, a tutor at Beatbox, provided keyboards on "The State I Am In" and "Belle & Sebastian" as well as lead guitar on "String Bean Jean".
 Other contributors to the E.P. include Mark McWhirter, Michael Angus and David Mackenzie, though their roles have not been confirmed.
"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.
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.
"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.
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.
Stuart Lee Murdoch (born 25 August 1968) is a Scottish musician, writer and filmmaker, and the lead singer and songwriter for the indie pop band Belle and Sebastian.
"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.
Stuart Murdoch (born September 2, 1955) is a football coach.
 He is perhaps best known for his spell as manager of Wimbledon between May 2002 and June 2004, during which time the team moved to Milton Keynes in 2003.
 Wimbledon were renamed Milton Keynes Dons by the new owner in 2004 and Murdoch remained in charge until November of that year.

Question: Gary LeVox and Stuart Murdoch share what profession?
Answer: singer and songwriter