Yeah!
"Yeah!" is a hip hop song written by American songwriters and producers Lil Jon, Sean Garrett, Patrick J. Que Smith, Ludacris, Robert McDowell and James Elbert "LRoc" Phillips.
It was released as the lead single from Usher's hit fourth studio album, Confessions (2004). The track was produced by Lil Jon, who combined crunk and R&B in the song's beat. The song features vocals from Lil Jon and a rap verse from rapper Ludacris. It is one of his most famous songs.