In 2013, three songs co-written by McKenna entered the charts: "I Want Crazy" by Hunter Hayes, "Your Side of the Bed" by Little Big Town, and "Sober", also by Little Big Town.
Crazy Horse | Drive Me Crazy | Crazy | Gun Crazy | Crazy Mohan | Shine On You Crazy Diamond | Ram "Crazy Horse" Vaswani | Eight Crazy Nights | Crazy Town | Crazy Heart | Crazy (Gnarls Barkley song) | The Crazy Gang | Stone Crazy | One Crazy Summer | Going Crazy | Crazy Thunder Road | Crazy in Alabama | Crazy Horse (band) | Crazy English | The Gods Must Be Crazy | Super Crazy | Girl Crazy | Crazy Train | Crazy, Stupid, Love | Crazy Eights | We Weren't Crazy | Plane Crazy | Miss You Like Crazy | I Want Crazy | I'm So Crazy |