"A Tapestry of American Song" creates a walk down memory lane. This is a wonderful family opportunity to savor Americana musical history. Music selections include folk, jazz, show tunes and spirituals. The Petaluma Chorale is a mixed vocal ensemble of 50 voices sponsored by Santa Rosa Junior College, Petaluma Campus, Community Education Program. The chorale has been part of Sonoma County's musical community since the 1950s.