Greyson Chance writes songs.
Greyson Michael Chance ( born August 16 , 1997 ) is an American singer , songwriter , and pianist . His debut single , `` Waiting Outside the Lines '' , was released in October 2010 . The lead single , `` Afterlife '' , was released in October 2015 , followed by `` Hit and Run '' and `` Back On the Wall '' in February and April 2016 respectively .