Am i a good singer here's me singing green finch and linnet bird off sweeney todd to get to it type in singing green finch and linnet bird off sweeney todd on YouTube it's the top one?

if i was watching the right one (you said you had a stuffy nose) yes you are very very good! you hit those high notes with quite a bit of ease. My only suggestion is that when you sing those high notes don't think of them as higher just the same as the one before and don't anticipate them. Then they will come out even easier and even more gorgeous! : )