Reading progress update: I've read 73 out of 199 pages.

“Mr. Evans, what do you say?”
Evans shook his head. “I am afraid I can’t help you there,” he said. “I couldn’t possibly recognize anybody at that distance. But I can say that the wood wind struck me as sounding rather thin during the playing of the National Anthem.
Alright, we have a murder and we have a lot of highly-strung musicians who haven't a clue who-dunnit, even tho the murder took place right amongst them and while performing.
Far-fetched? You bet! But so far it is quite fun to follow the different squabbles between the musicians.