BEST OF/20TH CENTURYLiner Note Author: Scott Schinder. Photographer: Tom Gundelfinger. Arrangers: Jimmy Wisner; Stuart Scharf; Bob Dorough. Spanky & Our Gang is one of the great overlooked bands of the '60s. As in the case of other groups like the Monkees or Paul Revere & the Raiders, their chart success seemingly blinded people as to just how good they were. Like a more baroque Mamas & Papas, their strength was their amazingly constructed harmonies. They also boasted