Well I love feist and have for some time. I saw her live at a large festival on Toronto island......amazing!
I don't think that her grammy performance was awful...it was stripped down and raw kinda like her live show but with less bells and whistles. So many acts on the grammys have crazy lights...back up dancers and sparkly costumes (see beyonce). Which makes their performance "wonderful" did you happen to catch Kanye....now that was awful, that dude cannot sing.
I think her voice was a little scratchy but hey it's not like we have never seen anyone perform with voice issues such as a cold and "hated" it like I don't know...MIKA.
I love that someone goes out there with something different from the norm...a different voice, different costume, instruments (tuba?) and impresses (even if it's not everyone)
Favorite song is Mushaboom which my sis put on a mixed cd for me 3 years ago and I still love it. Sealion is a great cover song as well.
If you like Feist check out Regina Spektor (brilliance)