Shouldn'tve been surprised that this wasn't a topic (should've known better, huh), but might as well.
Sufjan Stevens is a prolific singer-songwriter, multi-instrumentalist, once-kids'-writer, collaborator, multi-genre musician, orchestrator, fifty-state tourer, walker, dreamer, treehouse greeter, Pentecostal preacher, and all-around national treasure. If you haven't heard a song from the man, get to fixing that: his range goes from operatic to electro-poppy to the simple plucks of a banjo, but often (to be honest, almost always) cathartic.
A couple below:
(And yes, that droll of a paragraph was my composition, and yes, it's pretentious. Like Ganya, I try to be original when I'm not, but it's not for lack of trying.)
(Oh, right: the last one's a collaborative effort. Unfortunately panned by critics, or at least to the standards of the individual artists. Don't worry; the song's still good.)