"Uptown Funk" is a song originally sung by Mark Ronson (featuring Bruno Mars) and covered by The Chipmunks. The song will be part of the upcoming 4th CGI/live-action film Alvin and the Chipmunks: The Road Chip and a full version of the song has yet to be released (10 seconds of the song was sung in the first trailer for the film).
Partial Lyrics
The Chipmunks: 'Cause uptown munk's gon' give it to ya 'Cause uptown munk's gon' give it to ya Alvin: Saturday night and we in the spot Don't believe me, just watch (come on)