Conversation so far:
When was Epiphany by T-Pain released?
Epiphany, the second studio album by American R&B singer T-Pain, was released on June 5, 2007.
Was T-Pain's Epiphany successful?
The album Epiphany sold 171,000 records in its first week, reaching number one on the Billboard 200. The record has since sold 819,000 records in the United States.
Did T-Pain's Epiphany have any hit songs?
Buy U a Drank (Shawty Snappin') peaked at number one on the US Billboard Hot 100.
Did T-Pain win any awards for the album Epiphany?
T-Pain's album Epiphany received gold certification from the RIAA.
Did T-Pain tour for the album Epiphany?
Did T-Pain have any other hit songs besides Buy U a Drank (Shawty Snappin')?
Bartender peaked at number 5 on the US Billboard Hot 100.
Is there anything else interesting on T-Pain besides Epiphany,Buy U a Drank, Bartender, and touring?
T-Pain made guest appearances on songs by other artists. Good Life with Kanye West later won a Grammy Award for Best Rap Song.

Question: What year did he win the award?
Self-contained rewrite: What year did T-Pain win the Grammy Award for Best Rap Song with Kanye West for Good Life?