I would die a happy man right now if I could sing like this just once. I must caution some of you who may not be South Asian that this is an acquired taste. For maximum enjoyment I recommend you put the headphones on.
The singer is Mehdi Hassan. For some people their name is their introduction. Hassan is one such name in the world of semi-classical singing genre of ghazals. He is the benchmark against which other supreme talents are measured.