EC:
For sure Buddy would be old.....he'd be amost 68. IMHO, if he had lived, his amazing contributions to "modern" music as we know it would have continued for a few years, and then he would have settled into living his life and touring. Another "old" musician and fan ended up owning his entire musical catologue....Paul McCartney.
http://entertainment.msn.com/artist/?artist=100112
I would hardly call Bob Dylan insignificant though....at 63 he still puts on the hell of a show, and his music is still more covered than almost any other songwriter.
http://www.wordiq.com/definition/Bob_Dylan