First, it was the most streamed song of all time - now, it's the most-watched video on YouTube video - ever!  (I wonder if Los DelRio's "LaMacarena" makes a comeback!)  What's the sensation?  A very catchy song.  Check it out: https://www.youtube.com/watch?v=kJQP7kiw5Fk 


MIAMI BEACH, FL - JUNE 09:  Luis Fonsi attends the iHeartSummer '17 Weekend By AT&T, Day 1 at Fontainebleau Miami Beach on June 9, 2017 in Miami Beach, Florida.  (Photo by Alexander Tamargo/Getty Images for iHeartMedia)