The Guardian has a very cool interactive graphic depicting the history of music in the 20th century — it has great visual effects, but ultimately is pointless:
In a seven-part series, Guardian and Observer critics chart the history of modern music, tackling a different genre each day and picking 50 key moments. Use this interactive guide to travel through time and see their selections. You can also tell us what you think should be there on our blog
Um, sure . . .