https://www.theonering.net/torwp/2014/07/02/90727-oakentoon-79-even-more-blades-of-gondolin-oakentoon-80-1000000-views-oakentoon-81-theyre-over-100-years-old/
Oakentoon #79 - Even More Blades of Gondolin; Oakentoon #80 - 1,000,000 Views; Oakentoon #81 - They're Over 100 Years Old