Rock, Opera, standards, doesn't matter. Who is your choice?
I'd say it once was Pavarotti but now that he's gone, who?
https://www.youtube.com/watch?v=0u0M4CMq7uI (Bacarole - Netrebko/Garanca)
https://www.youtube.com/watch?v=ypMv_vKtGuk (Ave Maria - Garanca)
https://www.youtube.com/watch?v=CmpBCyxQ0Bs (Opérette La Veuve Joyeuse "L'Heure exquise" (Duo Hanna et Danilo) - Hvorostovsky-Garanca)
Finally, start at 1:03:10 to watch "Хворостовский, русская народная песня “Прощай, радость” | Hvorostovsky Russian Folk Song “Farewell, Joy” “Proshchai, Radost’”:
https://www.youtube.com/watch?v=-6OIuvNK_xs
Watch Garanca crying in the background. Well known that Hvorostovsky was extremely ill and likely dying of a brain tumor when he sung this. He has succumbed.
A couple of years ago I posted one of his tunes exclaiming this guy may be the new great vocalist. Hmmm. The US is now hearing of him. About time.