21

Single by Hunter Hayes

Released 21 May 2015

Andy Sheridan
Wurlitzer electric piano [1], background vocals [1], organ [1], piano [1]
Dann Huff
producer [1]
Devin Malone
electric guitar [1]
Hunter Hayes
acoustic guitar [1], background vocals [1], drums (drum set) [1], electric guitar [1], mandola [1], mandolin [1], producer [1]
Justin Easton
background vocals [1], bouzouki [1]
Justin Niebank
mix [1]
Matt Utterback
bass [1]
Seth Morton
engineer [1]
Steve Sinatra
drums (drum set) [1]