Sean Tillmann, the dance-pop jokester known as Har Mar Superstar, has announced a new album, Best Summer Ever. The Strokes' Julian Casablancas produced the record, as well as writing its single, "Youth Without Love" (listen above). He's also putting it out on his Cult label. (The release date is TBA.) Karen O also features, on the track "Haircut." Check out the cover art and tracklist below. Update (2/18, 2:07 p.m. EST): Har Mar Superstar has tweeted that the album will be out April 8.

The record was made with help from Chris Bierden, Ryan McMahon, Matt Sweeney, and Ryan Olson, with conceptual input from Casablancas and Shawn Everett, according to a press release. Karen O, Sweeney, and James Levy also contributed songwriting to the album, while Bobby Charles is credited with writing the opener, "I Hope."

A world tour will follow later this year.

Best Summer Ever:

01 I Hope

02 Youth Without Love

03 Anybody's Game

04 How Did I Get Through the Day

05 Haircut [ft. Karen O]

06 It Was Only Dancing (Sex)

07 Don't Erase

08 My Radiator

09 Famous Last Words

10 Confidence