Me and Mariiiaaaaah, Go back like babies in pacifierrrrrrrrs It's an Icon's Birthday!! A five-octave vocal range. CHECK The only artist in history to have a No. 1 hit on the Billboard Hot 100 chart in four different decades. CHECK 19 songs topping the Hot 100. CHECK Just make sure you have the range when talking about our girl Mariah. All pun intended. Happy Birthday to you! #betbirthday #mariahcarey