“Best Days of Your Life” is a song co-written by American country artist Kellie Pickler and Taylor. It was released in 2008 on Kellie’s self-titled second album. Taylor also provides background vocals on the song.
Taylor surprised Kenny Chesney in Nashville at the kickoff of his “Big Revival Tour” on March 26, 2015. That’s where “Big Star” was recorded. It was released on Kenny's album Live in No Shoes Nation on October 27, 2017.
“Both of Us” is an alternative hip hop song by American rapper B.o.B, released on May 22, 2012, as the third single from his second studio album, Strange Clouds (2012). The song features vocals from Taylor.
Off of HAIM’s 2020 album Women In Music Pt. III, “Gasoline” is a sensual song about a possibly-dysfunctional relationship. Taylor is featured on the remix of the track, which was released on February 19, 2021.
“Half of My Heart” is a song by American rock singer John Mayer featuring Taylor. It is the third single from Mayer’s 2009 album, Battle Studies. It is about being unsure whether to continue a relationship or to break it off.
“Highway Don’t Care” is a song by American country music artist Tim McGraw and features Taylor on vocals and Keith Urban on guitar. It was released in March 2013 as a single from McGraw’s album Two Lanes of Freedom.
“Hold On (Live)” is a song by American country singer Jack Ingram. Taylor takes Sheryl Crow's spot and is featured on a live cut of this duet, which was initially released in 2007 and got re-released in 2018.