Four times through. After the solo , you go back to that main riff above and then suddenly, you chop it off right after the end of measure three and play: A ^ ^ ^ A ^ ^ ^ Asus4 ^ ^ ^ Asus4 ^ ^ ^ over and over again, until it feels just right. And of course, if you're phish, you change your volumes, lie down, jump up and down, play ditties over that and so on. Then for that fantastic glorious build, you play F ^ Eb ^ D ^ Eb ^ F ^ Eb ^ D ^ Eb ^ F ^ G ^ A ^ Bb ^ C ^ C# ^ D!!!!!!!! And back (chordiearchive.chordie.com)