"Who is his audience in 2015? How does he actually make a living? What pays the bills, club dates, concerts? For whom is his record, target demo wise? That's an honest question, since he seems off the radar. He has said on more than one occasion he doesn't really enjoy theater, so this is no big surprise. I'm sure he's been offered the NY "Wicked" and said uh-uh. "
Other than the Beyoncees/Taylor Swift/Justin Timberlake stratosphere, most recording artists make their money pounding the pavements in concerts, big and small venues. The Label companies make whatever profit from album/record sales and the artist usually gets a pittance or even ends up in debt. Live performances are the bread and butter.
So pretty much Adam tours and since American Idol he has his set of fans he can carve out a living that way. A lot of singers are "off the radar" (as in radio play/celebrity profile) yet do OK.
"when I’m on stage I see the abyss and have to overcome it by telling myself it’s only a play." - Helen Mirren