Music: The 50 Essential Songs of the Twentieth Century

"Thousands of songs are released each year by thousands of artists in an ever expanding array of genres...it's been happening for decades and it's getting harder and harder to figure out what should be in your collection! How is a music lover, casual or devoted, to have any chance of knowing what to buy? What's good? What's going to last? How can a person find the music that matters?" -- from the website. <http://www.cbc.ca/50tracks/vote/>