Beyond a couple of songs found on Headquarters, original Monkees producers and tunesmiths Tommy Boyce and Bobby Hart were largely absent from the recording of the band's third album (and first under their complete creative control). In this article from the September 1967 issue of Flip magazine, Boyce and Hart recount some stories on the making of Headquarters.
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Monkees Farewell Tour
Dolenz sings Nesmith