Donny Kirshner had to make a living, and with changing musical tastes, he turned to an audience that was too young to smoke pot or so he thought! and launched his move into bubble gum. Jeff Barry soon followed, teaming with Andy Kim. Kirshner turned to
Gerry Goffin and Carole King to provide his group, the Monkees, with a hit in 1967. It was the duos attempt to be relevant with respect to lyrics, while still working within a bubble gum framework.
The Monkees: Pleasant Valley Sunday