SO what can we learn from the grandstanding performances of a pompous, well-padded egotist, whose ambitions are fatally subverted by his appetites and vanities? This week’s news that Frasier is about to re-enter the building, in a new version of the US sitcom to show on streaming TV, brings some welcome relief to our current moment. And maybe some nervousness. I have a very exact, even intimate, relationship with this show. As a touring musician, it is my burden to wake up bewildered in unfamiliar hotel rooms after a night of relative success or failure. Wondering where the hell I am,...