“Due to a family matter, will not be able to join us in for the planned aftershow on Sunday August 6th. However, don’t be alarmed, , Marco and Joe have confirmed a very special guest performer sitting in for Scott for one night only. We are thrilled to have this guest on board for what is sure to be a special occasion…see y’all in Chi-town on Sunday. Still haven’t picked up your for this one yet? Don’t sleep on it, head over to SilverWrapper.com to buy your’s today.” [Benevento/Russo Duo]

I’m guessing Trey. Anyone got any other ideas?

Update: Confirmed. from Umphrey’s McGee will be the special guest. Snatch up ‘dem tix!

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