- Niner: "Now what are you listening to?"
- Fi: "Mon Cal opera, I'm improving my mind."
- Niner: "Liar. I can see you nodding to the beat."
- ―RC-1309 ("Niner") and RC-8015 ("Fi")
Mon Cal Opera was very popular among high society and the elitist. It was used in a joke by Fi to annoy Niner.