It can be whatever you think would fit the criteria. I'm interested in knowing what y'all are interested in. For me, I'm a heavy supporter of American football and Canadian football. It doesn't much fit the demographic of "pasty basement nerd," but there you go.
EDIT: Hot damn, it's reached 100 posts. I'm sure that half of them are mine, but whatever. I feel like I've peaked too soon.
The carillon.
The carillon is the instrument which controls and makes up church bells. In order to be a carillon, there have to be 23 bells, or two octaves minus two notes (trad. Bottommost dflat and eflat) - otherwise it's just a chimes and chimes are boring. The only other carillonneur I know on hubski is birchbarkcanoe. We're a rare breed.
Maybe I'll post a video of me playing sometime.