Let's say that I play bass trombone. There are 50 full time orchestras in the US, and most of which do not exceed 50,000 a year. There are 50 orchestras, and consequently 50 spots that are available. Once a spot is filled, there's a good chance that the spot will be filled for 20-30 years. Or there's playing bass for a rock band, which I'm eager to learn about. I'm planning for my life, so this issue is very important to me. Thanks for your input!