Peter Tork made a guest appearance with Micky Dolenz, Davy Jones, Tommy Boyce, and Bobby Hart onstage at California's Disneyland on July 4, 1976. Here's an audience recording of Peter's appearance:
In Memoriam: Michael Nesmith
Dolenz, Jones, Boyce & Hart returns
Dolenz sings Nesmith - The E.P.
50th Anniversary Editions
Micky Dolenz Live!