http://www.sfgate.com/sports/article/Jim-Nabors-farewell-saddens-some-Indy-500-fans-5503676.php#photo-6352752

The former “Gomer Pyle” star ended his tradition of singing "Back Home Again In Indiana” this year, prompting sadness from some Indianapolis 500 fans.
Read more at http://www.hitfix.com/tv-tattle/4#ZfqJiWb3lzrFRyMA.99

Considering that Jim Nabors is now in his 80s, it's remarkable he's done it so well for so long.