as lead singer — was released under the name "The Grass Roots" and received airplay in the San Francisco Bay Area, Dunhill searched for a band to become The Grass Roots. After the first group they chose departed, a Los Angeles band composed of Creed Bratton, Rick Coonce, Warren Entner, and Kenny Fukomoto was recruited to become The Grass Roots.

When Fukumoto was drafted into the army, Grill was brought in as his replacement.