7. When Glen Campbell got a fitting tribute.
In 2012, country great Glen Campbell was 75 years old and had been diagnosed with Alzheimer's the year prior.
He was on a "goodbye tour" of sorts, and decided to give one of his finest farewell performances at the GRAMMY Awards, thanks to a little help from Blake Shelton and The Band Perry.
Sporting a white sequined jacket and touting a whole lotta energy, Campbell got the crowd on its feet with his biggest hit, "Rhinestone Cowboy," which was a fitting way to bid adieu to the country singer/songwriter.
Stream the 2017 GRAMMY Awards on-demand.