Check out Henry Diltz (on banjo), Chip Douglas (on bass), and company performing on the music variety show in 1965. That's Monkees session drummer Eddie Hoh on drums.
They are performing "Come On In," a song Peter tackled in 1968 as a member of The Monkees:
Monkees Farewell Tour
Dolenz sings Nesmith
Pre-Order Sandoval Book
Monkee Mania Radio on Live365