They have written Over 500 #1 songs written for:
Carrie Underwood, Tim McGraw, Taylor Swift, Keith Urban, Lady Gaga, Kenny Chesney, Morgan Wallen, Trannie Anderson, Miley Cyrus, Ed Sheeran, Jason Aldean, Kelly Clarkson, Jelly Roll, Lady A, George Strait, Bruno Mars, Christina Perri, Faith Hill, Blake Shelton, Miranda Lambert, Luke Combs, Evanescence, Eric Church , Brad Paisley, Dierks Bentley, Vince Gill, Tonic, Rascal Flatts, Thomas Rhett, Charlie Puth, Shinedown, and many others.