NPR is streaming the sets from the Newport Jazz Festival. Highlights include Dave Douglas' Brass Ecstasy, Marshall Allen with Joe Morris and Matthew Shipp, Ken Vandermark's Powerhouse Sound, and Rez Abbasi.
27 live recordings from the 1959 Newport Jazz Festival can be streamed for free at Wolfgang's Vault. Here's a few of the musicians you can listen to: Count Basie & His Orchestra, Dizzy Gillespie, The Modern Jazz Quartet, Oscar Peterson Trio and Thelonious Monk. Registration is required but it's oh so worth it. The New York Times has the backstory of how these recordings ended up at Wolfgang's Vault.