Chris, Katie, and Emily Froberg. The Incubators – close harmony, Petaluma-based singers Katie Schuch and Chris Chappell combine talented local musician Emily Froberg on bass with their Soul-Folk Rock songs, blending blues, folk, country and jazz into infectious grooves. https://www.youtube.com/watch?v=x-EmRzNkaYo Listen to the Incubators latest album: