Can’t say I’ve ever searched YouTube for jazz, however I’ve got a pretty extensive collection of Jazz, Coltranes’ and One Down, One Up live at the Half Note is simply brilliant as his rendition of Nature Boy in a Columbia collection.
Modern stuff, well Avishai Cohen and Joshua Redman were both stunning live. Keith Jarrett, naturally, and the Swedish group EST.
Random stuff every one should listen to: JFK Quintet and The Jazz Crusaders, live at the Lighthouse