The rapper joined HudMo and Lunice on stage last night.

Nah Right reports that Kanye West made an impromptu appearance at TNGHT’s Music Hall of Williamsburg gig. The duo was playing their remix of Cruel Summer‘s ‘Cold’ when Kanye came out (at about 2:10 in the above clip), sans mic. He obviously didn’t rap but the crowd was justifiably psyched. Watch FACT TV’s interview with TNGHT below.