Jon's top registers are gone. Just shut off. He sounds fine on recordings in his natural voice. I like the latter-era Bon Jovi stuff. He totally painted his old-self into a corner singing all those songs back in the day so high.
Lately:
Myles Kennedy - Year Of The Tiger
Bad Company - Run With The Pack
David Bowie - Lodger
Angel - On Earth As It Is In Heaven
Bon Jovi - This House Is Not For Sale
Judas Priest - Firepower
W.E.T. - Earthrage
Bon Jovi - This House Is Not For Sale (Deluxe)
Eric Martin Band - Sucker For A Pretty Face (RCR)
Gary Moore - Back On The Streets (Reissue)
Free - Wishing Well: Collection