Freddie Gibbs x Kendrick (unfortunately would never happen)
Gibbs x Jeezy (so many classics together)
Kenny x Drake (doubt we'll ever see them make music together again)
Blu x Elzhi

Schoolboy Q x Drake would be a f***in SLAPPER

Gorillaz x Q was shockingly awesome

Yo f*** i forgot about this! The music video was dope and Q killed it

Drake x Kendrick now would be fire

for everone mentioning current collabs, im talking about in the future, collabs that will never happen

Lil Wayne x MGK in a Rebirth type of collab album. It would be a vibe.

Kanye x 9 inch nails