Jon McLaughlin, Sara Bareilles release 'Summer Is Over' video - watch
'Summer Is Over' is a collaboration track with Grammy nominee Sara Bareilles, who is also featured in the video.
The duo are shown playing their pianos side by side on a field as they croon about their "summer love" coming to an end.
"And it's back to my town/ Back to your life/ Grey skies are blowing a kiss," sings McLaughlin.
Promising Promises is set to hit stores on May 22, 2012.
Bareilles is one of the three judges on NBC's a capella competition The Sing-Off, which crowned its third season winner back in November.
The 'Love Song' singer said that "one of the greatest compliments" she can give the show is it "inspired" her to write music.