You have a last.fm account and are pissed that you can’t scrobble all the beautiful music you’re listening to from your office pc? You are a cool person that doesn’t work in a company where the intranet still depends on MS Internet Epxlorer? Your IT admins are smarter and let you use Firefox or Chrome? You listen to a lot of music in a browser (YouTube et al)?
Here’s your fix via plugins/scripts: Chrome and Firefox.