History of the NBC Chimes
by Thomas from The SWLing Post on (#23W7E)

Original NBC Chimes. Photo taken at the National Capital Radio and Television Museum
If you have thirteen minutes today, do yourself a favor and listen to this excellent radio documentary about the NBC chimes from the podcast Twenty Thousand Hertz. It's fascinating!
(Source: Twenty Thousand Hertz via 99% Invisible)
NBC's three little chimes didn't just define a television network, they defined a generation. Where did they come from and what is the surprising impact they have had on current and future media? Featuring the last person to play the NBC chimes on the NBC radio network, broadcaster Rick Greenhut, and radio historian, John Schneider.