In addition to their own work, Johnston has written singles for Keith Urban, Tim McGraw, Steven Tyler, Dallas Smith, and Jake Owen.
[1] Between 2011 and 2013, Johnston co-wrote "You Gonna Fly" for Keith Urban, "Southern Girl" for Tim McGraw, and "Days of Gold" for Jake Owen, the last of which was also co-written by Mason.
[6] The song debuted at number 58 on the Country Airplay charts dated for the week ending December 21, 2013.
[8] In 2015 the band played a show in America on Friday, flew from America to the UK to play Download Festival on Saturday and ended up hitting the stage using fellow American band Black Stone Cherry's equipment as TC3's had not made it to the UK with them.
[12] On October 23, 2020, the band released their fifth album Tabasco & Sweet Tea via Big Machine Records.