Some of them just seem to drop off the map completely, like friends who adamantly refuse to touch Facebook. Do you like to be kept updated with what musicians are up to, or do you find it more exciting when they eventually crop up again?
I think I'm probably a bit impatient, like a parent who has no idea if their child is actually doing any work at school or if they're just dossing about.
A few of the secretive (or bone-idle?) people I'm thinking of - Doves, The Radio Dept, The Arcade Fire, Midlake, Fanfarlo, Boards of Canada