Walking around listening to the best song in the world on your headphones, and passing loads of nice friendly people in the streets (suburbs), having to check whether or not they say 'hello' by turning it down, then when you do finally make your exchange, realise you've just missed the best bit of the song, especially when its something off BRMC's first album, which, I've just remembered, is nearly as good as anything I've heard in the past ten years.