About Big John
Big John Hartman is a singer, performer, and entertainer who has performed thousands of shows over the years around the country. Big John Hartman is a singer, performer, and entertainer who has performed thousands of shows over the years around the country.Big John's Shows
"Big John" Hartman walks you through the many styles of music that came over the airwaves during this incredible decade.
Book The Big John Hartman It's All About The 50's Show for your next event - party, event, wedding, dinner show, and more.