Willie Nelson has had to cancel his current tour, via a twitter post.

According to newyorkupstate.com, Nelson posted that he was going to be cancelling part of his your because of a breathing problem, requiring him to see a doctor.  The good news is he's expected to be back for back-to-back shows in Upstate New York according to the report.

He's scheduled to play at SPAC on September 7th for the Outlaw Music Festival, and in Darien Lake on September 8th.  That gives about a month for whatever Nelson is dealing with to hopefully clear up or get treated.  It looks like four shows right now in between have been cancelled.  I mean, of course Willie Nelson is about 86 years old, so here's in general to hoping he remains in good health.  The guy is a legend, and hopefully will be able to perform many more shows to come!