Behold the killing fields that lie before us: Bob Dylan (78 years old); Paul McCartney (77); Paul Simon (77) and Art Garfunkel (77); Carole King (77); Brian Wilson (77); Mick Jagger (76) and Keith Richards (75); Joni Mitchell (75); Jimmy Page (75) and Robert Plant (71); Ray Davies (75); Roger Daltrey (75) and Pete Townshend (74); Roger Waters (75) and David Gilmour (73); Rod Stewart (74); Eric Clapton (74); Debbie Harry (74); Neil Young (73); Van Morrison (73); Bryan Ferry (73); Elton John (72); Don Henley (72); James Taylor (71); Jackson Browne (70); Billy Joel (70); and Bruce Springsteen (69, but turning 70 next month).