I think he's saying about how when kids dance so free and light and don't care whos watching, thats how we should dance, and he's telling the kids to not stop if their still able to. 'Am I hiding in the shadows?' I think means is he hiding his true self from the world. And he feels like he wants to dance free again.
I think he's saying about how when kids dance so free and light and don't care whos watching, thats how we should dance, and he's telling the kids to not stop if their still able to. 'Am I hiding in the shadows?' I think means is he hiding his true self from the world. And he feels like he wants to dance free again.