82-year-old Broomfield resident who fixed the Hubble telescope sings metal on "America's Got Talent"
John Hetlinger (@JohnHetlinger) / Twitter
John Hetlinger (@JohnHetlinger) / Twitter
Drowning Pool on 82-Year-Old 'America's Got Talent' Singer Who Covered 'Bodies' | Billboard – Billboard
John Hetlinger: 5 Fast Facts You Need To Know | Heavy.com
WATCH: 82-yr-old's shocking headbanging audition
John Hetlinger | America's Got Talent Wiki | Fandom
Meet an 82-year-old from Broomfield who rocks harder than you | 9news.com
Le télescope Hubble, une merveille de science qui a frôlé le bide intersidéral
John Hetlinger: 5 Fast Facts You Need To Know | Heavy.com
John Hetlinger: 5 Fast Facts You Need To Know | Heavy.com
82-year-old Broomfield man/headbanger stuns on "America's Got Talent" - YouTube
John Hetlinger: 5 Fast Facts You Need To Know | Heavy.com
This 82-Year-Old Man Killed His Performance On "America's Got Talent"
John Hetlinger Wiki
John Hetlinger Wiki
Unlikely Headbanger John Hetlinger, 82, Goes From Singing Karaoke To 'America's Got Talent' : The Two-Way : NPR
The Hubble Space Telescope Servicing Mission
John Hetlinger Wiki
John Hetlinger Wiki
Unlikely Headbanger John Hetlinger, 82, Goes From Singing Karaoke To 'America's Got Talent' : The Two-Way : NPR
WATCH: 82-year-old shows his wild side, rocks out on 'America's Got Talent' | wthr.com
82-year-old man screams Drowning Pool's “Bodies” for TV talent audition, is awesome
John Hetlinger | America's Got Talent Wiki | Fandom
