Well, good news: here's Twunes, my free Mac OS X application that tweets the current iTunes track's title, artist & optional album that you're listening to.
Key features include:
- You can hashtag the artist name so that it's clickable in Twitter clients and you can find other people tweeting about the artist you're listening to.
- You can add the hashtag #nowplaying.
- You can add the hashtag #fb to crosspost more...