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According to Albright & O'Malley (via Got Country), the singer-songwriter is having his gallbladder removed after dealing with "significant pain" for some time now. The "I Like Girls That Drink Beer" singer is expected to make a quick recovery, resuming his Live in Overdrive tour Aug. 3 at WE Fest in Detroit Lakes, Minn.
For the original Fort McCoy date, Gretchen Wilson -- and other special guests to be announced soon -- will still host the Aug. 2 date, which is free and open to all. As for Toby's rescheduled show, all tickets will honored for the new date, with no exchange necessary.
More information on Toby's tour can be found here.