Death Con 3 Here's a line that I just sang, from the Phantom of the Opera. The original goes up to a G4. I've duetted this song up to F, G and A.
I'm definitely not a high tenor, so maybe you are at an advantage here. When you can do this better than I did, then you could inch your way into octave 5 and see what notes you can manage to sing as well as the B, or close.