Serving as music director of an American orchestra, even a small one, is a multifaceted job, and these days, there seem to be almost as many fundraising responsibilities for U.S. conductors as musical ones. Still, the Binghamton (NY) Philharmonic may have a first on its hands with its latest moneymaking scheme: a $10 raffle, with the winner getting the services of music director Jose Luis Novo for an evening. No, Novo won’t be making any music in the winner’s home. He’ll just be cooking dinner.