Voca People: Power of the Human Voice May 17, 2009 ShareTweet0 SharesThese talented musician-actors and “beat-box” artists create an entire orchestra — without a single musical instrument. More Articles You Might LikeVideo Pick: Selfie Sticks PSAVideo Pick – #Hashtag with Fallon and TimberlakeVideo Pick – Dove Body Image ParodyVideo Pick - War on Men