I think it is more or less him actually talking about his commitment to music, and he is saying that some day he'll come back but right now, he wants to prove himself as a musician and not a failure. And when things turn around and he makes it he can go home.
I think it is more or less him actually talking about his commitment to music, and he is saying that some day he'll come back but right now, he wants to prove himself as a musician and not a failure. And when things turn around and he makes it he can go home.