Ian Arber interview

Film/Game music composition is a great industry. If you’re good enough you will get jobs. Everyone wants to be a “film composer” or “game composer”, but the fact of the matter is 90% of these “composers” are not good enough and stumble at the first (second or third) hurdle.

Terry Jones interview

It's important that you can do what you say you are going to do, so try not to oversell yourself if you've no chance of delivering on it as it will come back to bite you later!