An early morning phone call

Me: Hello?

D.: Let's sing "Happy Birthday to Riri!" He and Isaiah commence singing a lovely duet of the tune.

It gets to the Happy Birthday Dear part and instead of saying "Riri," Isaiah says, "Dear Isaiah."

D.: No, dear Riri.

Isaiah: Dear Isaiah.

D.: Dear Riri.

Isaiah: Dear Isaiah.

D.: Dear Riri.

Isaiah: Dear Isaiah.

D.: I promise we practiced this.