Glory
You could win awards for your efforts. The MTV Music Video Awards, The Teen Choice Awards, The People's Choice Awards, The Golden Globes, and of course, the pinnacle—the Grammy are all given out for musical achievements.
Let's face it, you've been practicing your Grammy speech since you were five and it keeps getting longer and longer every year.
You could always use your immense fame and wealth for humanitarian purposes as well. Bono seems to feel pretty good about himself.