When was the singer of "Crank That (Soulja Boy)" featured on a mixtape by Tinie Tempah?
Happy Birthday (mixtape):  The mixtape was released for free download on December 16, 2011 on Disturbing London Records - featuring production from 3Mindz, S-X, Wizzy Wow and Stargate. Soulja Boy:  In September 2007, his debut single "Crank That (Soulja Boy)" peaked at number one on the U.S. "Billboard" Hot 100.
i don't know