This recording has the best interpretation by far. The right tempo in between the themes and i love the classical interpretation of the short section leading to the clarinet solo. The clarinet solo is by far one of the better (if not best) performed to bring in the melancholic theme.
There's no b natural in there, but the way the harmony resolved even at first gave me the impression there's a b natural, listening to it again it might be saxophone (if I'm correct) which gives the impression of a b natural