I think the intro bassline goes something like this: e|---------------------------------------------------------------------| B|---------------------------------------------------------------------| G|---------------------------------------------------------------------| D|--------------------------------------------------0-------0------2---| A|-0-2-4-2-0-----------0-2-4-2-0----------0-2-4-2-0---4-2-0---4-2-0----| E|-----------2-0-2-0-2-----------2-0-2-0-2-----------------------------| Intro: Sometimes it moves so fast, Sometimes it moves so fast, If you stop to ask, It's already passed, So how can you move so slow? How can you move so slow? You miss it if you don't, You miss it if you, Don't already know, already know, already know, already know, already know, When your love is right, When your love is right, You can't sleep at night, You've been sleeping just fine, But when your love is bad, When your love is bad, I don't know why you're so sad, But it's time to go, You already know, already know, Already know, already know, You already know, already know, Already know, already know, Sometimes it moves so fast, Sometimes it moves so fast, If you stop to ask, It's already passed, So how can you move so slow? How can you move it so slow? You miseds it, you know You missed it, You already know, already know Already know, already know, You already know, already know, Already know, Please stop wondering why you feel so bad, when you already know, already know, Please stop wondering why you feel so sad, when you already know, already know, Please stop wondering why you feel so bad, when you already know, already know, Please stop wondering why you feel so sad, when you already know, already know, (Oh, oh, you already know, oh, it's time to go) She said, "Well, how do I know, when I know, when I know?" You already know, Then he said "Well, how do I know, when I know, when I really know?" You already know, Then she said "Well, how do I know, when I know, when I know?" You already know, you already know (fade out)