The Sons of Champlin are an often overlooked but essential ingredient in the heady cocktail of Marin County's rich musical heritage. The band were more R&B-rooted than their notorious guitar-driven counterparts such as the Grateful Dead and Jefferson Airplane, but their musicianship and formidable talent was recognized and revered by these same icons. The Sons were a mainstay of Bay Area folklore to many although their commercial fortunes cast them into the shadows under the second tier of bands like Big Brother and Quicksilver. The Sons' legendary appearance at the Marin County Civic Center in San Rafael, California, on November 28, 1975, displays a potent psychosis of musical styles in which the band brandish their psychedelic soul-funk stew with a selection of material showcasing their most recent album, The Sons of Champlin (1975), and their follow-up, forthcoming at the time, A Circle Filled with Love (1976). The complete FM radio broadcast of this performance is presented here in professionally remastered sound with background liners and rare archival photos.