Turn Around by Flo Rida samples the song "Oh Yeah" by a band consisting of these two members?
Yello Yello is a Swiss electronic band consisting of Dieter Meier and Boris Blank.
Woo! Yeah! Woo! Yeah! is a drum break which includes James Brown's ("Woo!") and Bobby Byrd's ("Yeah!") voices which has been repeatedly used in popular music, often in the form of a loop. The drum break was performed by John "Jabo" Starks. It originates from the 1972 Lyn Collins recording "Think (About It)", a song written and produced by Brown, and is one of the few other frequently used breaks contained in the recording.