Consider improving your efficiency by using The Pomodoro Technique. It is a simple, but effective way to organize your time with short, concentrated bursts of productivity, punctuated by five-minute rest periods. It takes the drudgery out of work by breaking tasks down into manageable chunks, and offers the promise of a reward after each section.
Check it out at: https://www.youtube.com/watch?v=CT70iCaG0Gs, and see if you would like to try incorporating it into your rehearsal time.
Learn about the orchestra
Many people say they don’t like orchestral music, and yet instantly recognize The Barber of Seville from Bugs Bunny, or get excited when they hear the theme to Star Wars or Jurassic Park. The truth is orchestral music is like shopping in the produce section of the supermarket. There will be some stuff you like, some stuff you love and those weird green knobby vegetables you don’t recognize and don’t want to try. That’s fine! To help you become more familiar with orchestral music, check out these fun links:
Okay, these next two are more academic and a little dry.