[ ok well he doesn't know how the fuck rin knew that but there we go ]

...Yeah, basically that. And, uh... they said this Orpheus guy was a musician, and that was how he was able to get to the underworld in the first place — he kind of charmed everyone into letting him through with his music. And, um, he made a deal to be able to bring the girl back but messed it up.

I don't know if... maybe that corresponds to the entertainment and contract stuff, somehow...? O-or maybe it's not that deep.