Rose is not the man for sure maybe we are jumping the gun Johnson my come back but remember he's a OAP think he is 68, hard going at that age !
With age the voice goes don't bitch or complain NO one can carry on for ever.
I have seen them with Scott and Brian I have been lucky, sad fact's are these guys are no spring chickens , a friend is seeing Hawkwind the lead guitarist is 76 shit , Ian Hunter is 74 , Clapton is 73 .