These are 20 famous duos of the 20th Century. See how many can you name? If you are a boomer you should get at least 16 correct. Younger ones, watch with someone older. Music; Side by Side sung by Nick Lucas. Two of a Kind sung by Johnny Mercer and Bobby Darin. For answers click here.What did you think? Please leave a comment in the section below and remember to share the video and sign up for our free newsletter!