Question: Which singer is in the duo Sugarland, Jennifer Nettles or Roger Taylor?

Passages:
"All I Want to Do" is a song co-written and recorded by American country music duo Sugarland.  It was released in May 2008 as the first single from their album "Love on the Inside", which was released on July 22, 2008.  The duo's two members, lead vocalist Jennifer Nettles and mandolinist/background vocalist Kristian Bush, wrote the song with singer Bobby Pinson, with whom the duo also co-wrote their late-2006 single "Want To".  On the "Billboard" Hot Country Songs chart dated for August 16, 2008, "All I Want to Do" became Sugarland's third Number One hit.  It was also a pop hit, peaking at No. 18 on the U.S. "Billboard" Hot 100 chart, their highest peaking single on the Hot 100 until "Stuck Like Glue" debuted at number 17 in 2010. "Already Gone" is a song co-written and recorded by American country music duo Sugarland.  It was released in September 2008 as the second single from their album "Love on the Inside", which was released on July 29, 2008.  Sugarland's members, Kristian Bush and Jennifer Nettles, wrote the song with Bobby Pinson, with whom the duo also co-wrote two of their previous singles, "Want To" and "All I Want to Do". "That Girl" is a song co-written and recorded by American country music singer Jennifer Nettles, lead vocalist of the duo Sugarland.  It was released August 20, 2013 via Mercury Nashville as Nettles' first solo single and the lead single from her debut solo album of the same name. Roger Meddows Taylor (born 26 July 1949) is an English musician, singer and songwriter.  He is a multi-instrumentalist, best known as the drummer for the rock band Queen.  As a drummer, Taylor was recognised early in his career for his unique sound.  He has been acclaimed by Foo Fighters drummer Taylor Hawkins as one of the most influential rock drummers of the 1970s and 1980s, as well as being voted by radio listeners as the eighth-greatest drummer in classic rock music history in a poll conducted by Planet Rock in 2005. Jennifer Odessa Nettles (born September 12, 1974) is an American country music singer and songwriter.  She is best known as the lead singer of the duo Sugarland alongside Kristian Bush.  Before Sugarland's inception, she also fronted Atlanta-based bands called Soul Miner's Daughter and Jennifer Nettles Band.  She also charted as a duet partner on the country version of rock band Bon Jovi's 2006 single "Who Says You Can't Go Home", a Number One hit on the "Billboard" country charts. "Want To" is a song co-written and recorded by American country music duo Sugarland.  It was released in August 2006 as the first single from the album "Enjoy the Ride".  It was their first single not to feature former member Kristen Hall, although Jennifer Nettles had previously been featured on Bon Jovi's Number One country hit, "Who Says You Can't Go Home", the song was also the first regular Number One hit of Sugarland's career in the U.S., spending two weeks at the top of the "Billboard" Hot Country Songs charts in late 2006.  The duo's members, Jennifer Nettles and Kristian Bush, wrote the song along with Bobby Pinson.  The song has sold 856,000 copies in the US as of April 2013. Enjoy the Ride is the second studio album by country music duo Sugarland, released on November 7, 2006 on Mercury Nashville Records.  The album is the first one released with Sugarland as a duo (comprising Jennifer Nettles and Kristian Bush), as former member Kristen Hall had departed earlier in 2006. "Joey" is a song co-written and recorded by American country music duo Sugarland.  The duo's two members, Jennifer Nettles and Kristian Bush, wrote it along with country singer Bill Anderson.  It was released in July 2009 as the fourth single from the duo's album "Love on the Inside".  Sugarland's twelfth single release, it debuted at number 50 on the "Billboard" Hot Country Songs charts in July 2009. That Girl is the debut solo album by American country music artist Jennifer Nettles, lead vocalist of the country duo Sugarland.  It was released on January 14, 2014, by Mercury Nashville.  The album features 10 songs written or co-written by Nettles and a cover of Bob Seger's "Like a Rock".  Nettles collaborated with songwriters Butch Walker, Richard Marx and Sara Bareilles, among others.  The album was produced by Rick Rubin at his Shangri-La Studios in Malibu, California. Sugarland is an American country music duo consisting of singer-songwriters Jennifer Nettles (lead vocals) and Kristian Bush (vocals, mandolin, acoustic guitar, and harmonica).  Sugarland was founded in 2002 by Kristen Hall with Bush and became a trio after hiring Jennifer Nettles as lead vocalist.

Supporting sentences:
 Before Sugarland's inception, she also fronted Atlanta-based bands called Soul Miner's Daughter and Jennifer Nettles Band.  He has been acclaimed by Foo Fighters drummer Taylor Hawkins as one of the most influential rock drummers of the 1970s and 1980s, as well as being voted by radio listeners as the eighth-greatest drummer in classic rock music history in a poll conducted by Planet Rock in 2005.