There are here on Igalia a lot of people working on Vagalume, a last.fm client started by Berto, another Igalian.
So, I realize that one missing feature (not a real priority) was the i18n support. So I start to add this, and today, I have finished the support, as you can read on the vagalume developer lists.
I didn’t made a full translation, only the support (I let the translation for the translators 😉 ) , but you can get something like that: