Rappers San E and Mad Clown released a teaser for their collaboration track, "Sour Grapes."

On Nov. 16, Starship Entertainment and Brand New Music both posted the music video teaser of the collaboration between both rappers on their YouTube and SNS accounts.

"The teaser video of San E X Mad Clown, the two rappers' new song 'Sour Grapes' is being released. 2015.11.19. Please be excited for the new project of the two hot rappers!" the agencies said on their official SNS accounts.

"Sour Grapes" is a funk/rap track about two men who fall in love but act bold and irrationally when blinded by love. The music video was filmed will be focusing on certain words of the song and will portray on the two men in a simple manner.

Mad Clown and San E will be releasing "Sour Grapes" on Nov. 19.