Gina Cloud, a Bloomfield resident and the playwright of the upcoming production, “Tamal Ko: a California Story” provides on-hand direction to her actors during a rehearsal last weekend. The play follows the history of West Marin’s original inhabitants.   David Briggs

The scene begins with a casual conversation between grandfather and grandson. They talk about high school football practice and an upcoming dance, but they soon drift into the past and the boy’s indifference toward their Coast Miwok heritage. 

“When it comes to the past, it’s hard for me to believe things were really that . . .