HEADQUARTERSThe Monkees: Micky Dolenz, Davy Jones, Michael Nesmith, Peter Tork. One of the Monkees' two best albums, HEADQUARTERS is also the one '60s album on which the band played nearly all the instruments, save for a string section and occasional bass from producer Chip Douglas. Since Michael Nesmith had instigated the revolt that led to the band's musical independence, he's in the forefront here, and his songs are uniformly excellent. The banjo driven "You