Quote Originally Posted by TechMouse
To expand a little:

If you have a good sense of what sounds good musically, chances are you already know a lot of music theory - you just don't know the terminology... and I would argue that you don't really need to, in the same way that a rock guitarist doesn't need to know how to read music.
i'd agree with this, i learnt some music theory at college, and to be honest, ii already knew what sounded right and what didnt.

plus some of the best tunes out there have parts thats out of key, and that what makes them so special