<P> `` Things That Make You Go Hmmm ... '' is a song by American dance group C + C Music Factory . It was released in June 1991 as the third single from the album Gonna Make You Sweat . The single features Freedom Williams and he is also seen in the song 's music video . The song inspired a running gag on The Arsenio Hall Show , where Arsenio , while allegedly on a long drive , pondered certain thoughts and referred to them as `` things that make you go hmmm ... '' </P>
when did the song things that make you go hmmm come out
June 1991