Along with Welcome To The Occupation this is one of my favourite songs on Document. I'd describe it as an intelligent rock song, a very mature song considering all of R.E.M. were only in their late twenties when they wrote this song.
It is relatively straightforward in terms of structure and even features a rare Peter Buck guitar solo. But it's the opening riff that I most admire about the song, on the album it sounds clean and polished, whereas live it takes on a mechanical, dirty sound. Though I haven't got the riff spot on I'm certainly playing it better than I would have done two years ago! It's a really difficult riff to play, there are a multitude of notes crammed into a very short space of time (I will encounter similar difficulties when I tackle Pretty Persuasion!) made to sound easy when played by Peter Buck.