Source: KiddFutureAbove is Kanye's performance of 'Runaway' with Pusha T from Saturday Night Live a few moments ago. After the jump is 'Power' with a new second verse.
Source 2: Crystal F
Source 3: YourAudioFix
Kanye West - Christian Dior Denim Flow (Ft. Kid Cudi, Pusha T, John Legend, Lloyd Banks & Ryan Leslie)
Soulja Boy - Y.G.R.N. (Ft. Lil' B)