Interesting programme on Radio 3 i-player and for download: "Why is music addicted to bass? Can you imagine a piece of music without its bass line? Or going out dancing with no bass to move to? Whether it's an epic symphony or a club classic - we love listening to the bass. But what actually is 'bass'? How is it that we can often feel it as much as hear it? And why is it that every genre of music seems to need it?" http://www.bbc.co.uk/programmes/b07vwg5w It's mostly about classica