Dead & Company is now next scheduled to perform on Thursday at the Amway Center in Orlando, FL.
While the group doesn't now have anything scheduled after its Friday concert until next February, Mayer has a few solo shows lined up for this month.
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John, 40, is now touring with the band Dead & Company.
Singer, songwriter and guitarist John Mayer - shown here performing in Texas in August - was admitted to the hospital on Tuesday.
Dead & Company's next show - following the postponed New Orleans one - is scheduled for Orlando, Florida on Thursday. Tickets for the show can either be refunded or used for the rescheduled date.
John Mayer, 40, is now in surgery to remove his appendix at a New Orleans hospital, a rep for the singer tells HollywoodLife.com EXCLUSIVELY.