Trick or Treat! Do you love film music? Ever wanted to experience it LIVE? This weekend you have a chance to win a treat: tickets to some Houston Symphony presentations of music to film. Tune in this weekend to hear some seasonal spooky music and to find out how to get the opportunity to hear the Houston Symphony play live to a film projected on a large screen in high definition: This Saturday at 8pm and Sunday at 5pm on Classical 91.7.