Turn Around by Flo Rida samples the song "Oh Yeah" by a band consisting of these two members?
Turn Around (5, 4, 3, 2, 1): "Turn Around (5, 4, 3, 2, 1)" is a song by American rapper Flo Rida from his third studio album, "Only One Flo (Part 1)". Turn Around (5, 4, 3, 2, 1):  The song contains samples of "Din Daa Daa" by German dance singer George Kranz, and "Oh Yeah" by Swiss electronica band Yello. Yello: Yello is a Swiss electronic band consisting of Dieter Meier and Boris Blank.
Dieter Meier and Boris Blank