dude here is my best advice: If you wanna study in music then I'm sure music can save you man

music is the best way i found to express all your emotions, coz me too i tend to not express them enough. Anyway if you really love music I'm sure it can save you from lots of things and help you a lot. Listen to some very relaxing music that makes u feel good when your are in a bad mood, or when angry just play on your guitar like mad just to liberate you from all your anger or whatever

and of course drugs are getting very bad when they are used to escape from something. The best is to face your problem, try to work on it. Of course u can continue to smoke and drink, but not as often as u do and not to forget your problems. Face your problems and then drugs will only be something that will help you to face em, but not to escape em

music is the solution! peace