You want to call "Gentelman" a flop; a misogynistic miscalculation that didn't come close to "Gangnam Style." But, it was a Top Ten hit around the world, including the US, and the video was the most watched on YouTube for 2013.
So, don't call it a comeback.
The follow-up to the follow-up is now under production — as reveald by PSY's twitter — this time featuring Snoop Dogg and PSY's fellow Korean, G-Dragon.
Be warned.