Did you know that Armstrong had played for 50 years and never once lost the groove? Even on off days he would play for a few hours just to keep up the chops. Take a sneak peek into his life with this video from Blank on Blank. The interview was done by Michael Aisner and James R. Stein in 1964 for a school project. Featured photo credit: stratopaul | Flickr via goo.gl