George Bekich II/Las Vegas News Bureau via Getty ImagesHere's some exciting news for Monkees fans: Founding band member Michael Nesmith will join Micky Dolenz and Peter Tork for the first and possibly only time during the group's 50th anniversary tour at their show Friday at the Golden State Theatre in Monterey, California.

The Monkees' official Facebook page announced the news earlier today, and also reported that tickets are still available and can be purchased at the theater's website.

When the 50th anniversary trek was first announced, Nesmith reported that he would not be participating in it because he'd committed to writing a book that he had to complete by the fall. In a new message on his official Facebook page, Nesmith explains his decision to perform with the band on Friday.

"So 'the guy' are coming to Monterey -- I am ahead of schedule on my book Infinite Tuesday, -- the fires are almost out -- and they sent me a nice invitation to come play at the State Theatre with them -- and so I am!" he writes. "I haven't played in a while -- hand's a little stiff -- but I can do a couple or three songs with them that I would really enjoy."

He adds that his appearance with The Monkees is "[o]ne time only for now -- still have to deliver the book -- but the delivery is getting closer faster than I thought."

Although Mike hasn't previously joined The Monkees in person on this tour, he did make an appearance via Skype at a show in June at The Town Hall in New York City. He also contributed to the group's new studio album, Good Times!

The 2016 U.S. leg of The Monkees' 50th anniversary trek runs through a November 20 concert in Englewood, New Jersey.

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