Twenty years is a long time. One hundred songs is a lot of music. If you remember every song from the 2000 Hottest 100, then you're doing pretty damn well. For most of us, there are a few holes in the old memory bank. Some of the most memorable tracks from the biggest artists of our generation Thankfully, these are easily patched up. All you need is to hear a song for the first time in years, and you'll remember everything about it. Even all those emotions you associated with it when it'd come on the radio, at a party, on a mixtape or on