[ The change of subject makes perfect sense to Orpheus at least, so that probably makes one of them. It's a clear line straight through thinking about how people are remembered to thinking about his immortal relatives who knew those people to wishing he knew them better, but since he leaves the train of thought that got him there unvoiced, well... ]

Mom talked about them sometimes? Mostly when teaching me about their past proteges' works. But I never got to talk to any of them. Aunt Melpomene might've visited once or twice when I was a baby, but I'm not sure about that? They were all really busy. It was an important time to be a Muse, back home.