Derek Sivers had a blog entry the other year where he suggested finding a tolerable, well-paying job, then a passion. And then keep your passion as an evening/w

Derek Sivers had a blog entry the other year where he suggested finding a tolerable, well-paying job, then a passion. And then keep your passion as an evening/weekend distraction rather than trying to turn it into a financially viable thing you can live off. Earn money from the job, not your hobby. Otherwise you end up forcing your art/passion through a sieve of viability (struggling to sell your music, for example), or becoming disillusioned with an otherwise unremarkable job.