Question: The twelfth studio album from singer Tim McGraw features a guest appearance on guitar by which other famous musician? 
Context: "My Little Girl" is a song co-written and performed by American country music singer Tim McGraw that reached the top three on the "Billboard" Hot Country Songs chart.  It was released in August 2006 as the second single from his CD, "".  The song was also featured on the 2006 movie, "Flicka".  It was nominated by the Broadcast Film Critics Association for Best Song in 2006.  It is also the first single that Tim co-wrote.  It was written by Tim McGraw and Tom Douglas. "Over and Over" is a song recorded by American rapper Nelly.  It was released on September 12, 2004 as the second single from his fourth album "Suit".  It was released two days before "Sweat" and "Suit" hit stores.  It features American country music singer Tim McGraw.  The song, which was written by Nelly, Jayson "KoKo" Bridges, James D. Hargrove, and Tim McGraw, peaked at number three on the US "Billboard" Hot 100.  Outside of the United States, the single topped the charts in Australia, Ireland, and the United Kingdom, and hit the top ten in Austria, Canada, Denmark, Germany, New Zealand, Romania and Switzerland. "Watch the Wind Blow By" is a song written by Anders Osborne and Dylan Altman, and performed by American country music singer Tim McGraw.  It was released in October 2003 as the fifth and final single from McGraw's album "Tim McGraw and the Dancehall Doctors".  The song reached the top of the "Billboard" Hot Country Singles & Tracks chart on March 20, 2004.  It also peaked at number 32 on the "Billboard" Hot 100. "Red Rag Top" is a song written by Jason White and performed by American country music singer Tim McGraw.  It was released in September 2002 as the first single from his album "Tim McGraw and the Dancehall Doctors".  The song peaked at number 5 on the U.S. "Billboard" Hot Country Singles & Tracks chart in early 2003 and peaked at number 40 on the U.S. "Billboard" Hot 100 chart. Tim McGraw & Friends is the eighth compilation album by American country music singer Tim McGraw.  It was released on January 22, 2013 by Curb Records. "Highway Don't Care" is a song performed by American country music artist Tim McGraw and features American singer-songwriter Taylor Swift on vocals, as well as Keith Urban on guitar.  It was released in March 2013 as the third single from McGraw's first album for Big Machine Records, "Two Lanes of Freedom" (2013).  The song was written by Mark Irwin, Josh Kear and Brad and Brett Warren.  McGraw and Swift recorded their parts separately. Tim McGraw and the Dancehall Doctors is the seventh studio album by country musician Tim McGraw and the first to feature his band The Dancehall Doctors.  It was released in November 2002 and was recorded on a mountaintop studio in upstate New York.  Four singles were released.  Two songs were in the movie "Black Cloud", starring McGraw.  The album also included a cover of Elton John's "Tiny Dancer", which was released only to the AC format, although it also reached the country charts from unsolicited airplay.  The album debuted at number 2 on the Billboard 200 with first week sales of 602,000 Two Lanes of Freedom is the twelfth studio album by American country music artist Tim McGraw.  It was released February 5, 2013, as his first album for Big Machine Records following a 20-year tenure with Curb Records.  He co-produced the album with Byron Gallimore, producer of his previously released albums.  The album includes the singles "Truck Yeah", "One of Those Nights", "Highway Don't Care" featuring new labelmate Taylor Swift, and "Southern Girl". "Real Good Man" is a song written by Rivers Rutherford and George Teren, and performed by American country music singer Tim McGraw.  It was released in May 2003 as the fourth single from the album "Tim McGraw and the Dancehall Doctors".  The song reached the top of the "Billboard" Hot Country Songs chart. Set This Circus Down is the sixth studio album by American country music singer Tim McGraw.  The album produced four singles for McGraw on the "Billboard" Hot Country Songs charts, all of which reached number one on that chart.  The album was released on April 24, 2001, by Curb Records.
Answer: Keith Urban