Ulala Session will open up the stage for Psy's upcoming summer concert, "Summer Stand the Drenched Show" will be held Saturday, August 11.

Psy has stirred a lot of buzz as he wrote and composed Ulala Session's title song, "Beautiful Night", from their first mini-album. In addition, he also agreed to become one of the judges for Mnet's "Superstar K4" after watching Ulala Session on "Superstar K3."

Psy recently released his cover and tracklist for his comeback album, Psy's Best Sixth Part 1, after a 2 year hiatus and his newest album, dubbed as 'featuring special' album, will be filled with songs featuring top artists. The sixth album will be released online on July 15.