perhaps in singing, but not in power. he's aged, but there's still fierceness in it, the rattle of age that Gran Torino embraced; he used his age in that film perfectly.
Not the best singer but i dare anyone else to give it a go. I do love country music and my fav actor is singing classics. I do the song roundy sang by Eastwood. This opens a new perspctive on the cold gun slinging sob to a friendly signing cowpoke who would happily share his coffee or whiskey :D