Most of the substances that I've experienced that resemble what you're talking about don't REALLY enhance music. But what they do is forever change how you look at life. For better or for worse.
That sucks. One of my earliest memories is sitting on the WVU bench during the Pitt WVU game. My dad was the trainer that game ( he was a med student at WVU at the time ).
That's always how contractors are treated. If they don't treat you like crap, they have to pay you benefits. I still wouldn't be an employee most places.