Watch Phish perform Waves > Piper during the second set of three from their 2013 Summer Tour stop at Northerly Island in Chicago on July 20th. This show featured three sets to make up for the weather-shortened event the previous night. The video was taken from the official live webcast and fans wishing to download the entire audio from this show can head directly here.
NOTE: Video link says 7.21.13, but this took place on 7.20.13. (See setlist via Phish.net)