I just noticed these interviews posted recently by Apple Time Warp...
http://appletimewarp.libsyn.com/nasir-gebelli-part-1-of-3
http://appletimewarp.libsyn.com/episode-4-nasir-gebelli-part-2-of-3
http://appletimewarp.libsyn.com/episode-5-nasir-gebelli-part-3-of-3
"you are talking about forty years ago ..."
part 1 -- 54m 5s posted Nov 20, 2017 (APPLE TIME WARP ep 3)
part 2 -- 57m 11s (2h 36m 37s) posted Dec 9, 2017 (APPLE TIME WARP ep 4)
part 3 -- 42m 16s posted Dec 29, 2017 (APPLE TIME WARP ep 5)