Funny Singing Hamburger Birthday Sound Card Noisy Inventions Greeting Cards Make Me Sing The Hamburger Song Birthday Sound Card Super fun, singing birthday sound card with crazy eyes and moving parts; you won't find it anywhere else. You can even sing along, if you want to as lyrics are written at the back of the card. Cover Wording...Make me SING! Inside Wording...Have a whopping good birthday. Back of the card - The Hamburger Song. I'm a hamburger, hamburger, hamburger, and today is your birthday! I'm juicy and delicious, and I just want to say, happy birthday, birthday, birthday to you! Supplied with a white envelope. Make sure to check the other designs too!