The view from the Louisiana Philharmonic Orchestra. On why classical and jazz are friends here in town. And how orchestra musicians are able to lead a double life, playing classical and jazz.

Orchestra concerts obviously have a different vibe than jazz clubs. You will never see an orchestral musician lean against the wall and smoke a cigarette during a French horn solo. No flute section walks through the audience with a tip jar. And it’s a safe bet that no symphonic trumpet player...