Not really better, but have not lost it north of 40.
Paul Heaton
David Bowie
Elvis Costello
Johhny Marr
Richard Butler
Bruce Springsteen
John Menstralcramps
Marianne Faithful
Old age pensioners who need to give it up and head off into the retirement home
The Rolling Stones
KISS
Aerosmith
Van Halen
Finally, were the Grateful Dead EVER younger than 40?