Music careers?

Accompanist

Civilian
Hi! Sorry, I know this is a long shot - does anyone know how to get their hands on data regarding largely self-employed careers in music? I'm talking chance of success, income, how to find actual positions if they exist beyond existing connections. I'm a piano undergrad in Canada and I'd love to be a professional accompanist/collaborative pianist but I'm having a really hard time finding info on how bad of an idea that would be financially, or if it's even possible a separate career and not something done in addition to teaching. Thanks very much!
 
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