Layla, written by Eric Clapton and Jim Gordon has survived over 40 years (wiki), and matured nicely. For your listening pleasure "Layla" - 1970 Derek and the Dominoes, 1992 MTV Unplugged, 2011 Jazz at Lincoln Center with Wynton Marsalis.
Destination: Out, an astounding mp3 blog devoted to mostly out-of-print free jazz and improv records, has been linked a few times on Ask, but never gotten the main-page exposure it deserves. Until now. The editors' selections are always interesting and written about well, and they're ready to go to the mat for the music. (The interview with Marsalis by the Bad Plus to which that's a response is also well worth reading.) But the real impetus for this post is only tangentially related to jazz: recently they got saxophonist Rudresh Mahanthappa to do a guest post on Indian (mostly Carnatic) music, and it won't be long before the links expire. Fall to! [more inside]