Premise: "Ugly" was the lead single from American hip hop music artist Bubba Sparxxx's debut album, "Dark Days, Bright Nights". The song was produced and featured guest vocals from famed producer Timbaland. The song features a sample of Missy Elliott's "Get Ur Freak On" and uncredited backing vocals by Elliott's former protégée Tweet.
Hypothesis: Tweet was not listed as a performer on "Dark Days, Bright Nights".