"Got it." Jim stores Caspar's number before putting his communicator away. No need to list him under anything but his name, nor does Jim ask whether he's got a surname to add to that. Plenty of folks he's met only have the one, both in and out of the Federation. Hell, sometimes he feels like he's the weirdo for having three. Hooray for downright ancient Terran traditions.

Caspar's question gets a little laugh out of him too. "Nah, singing's for showers or when I'm really drunk, and I can't do that last one so much anymore. If I ever got around to scaring up a guitar I could probably play something older for him though. I haven't played in years."