The Rock and Roll Hall of Famer stepped in after a fan said Rodrigo's track was a direct lift from "Pump It Up."
Spotify crunched the numbers on the city's most popular tracks.
The evidence of the Beatles’ musical borrowings was hidden in plain sight.
“Chuck, you were amazing, and your music is engraved inside us forever," Mick Jagger wrote.
Keith Urban thanks legend for his "poetry, passion and potency."