Original: Through the effort of Tom Mazzolini, producer of the legendary San Francisco Blues Festival, founded in 1974, and with the presence of excellent recording companies like Arhoolie and HighTone, the West Coast is one of the most important blues areas in the country.
Simplified: After the efforts of Tom Mazzolini, producer of the San Francisco Blues Festival, started in 1974, and the efforts of recording companies like Arhoolie and HighTone, the West Coast is one of the most important blues areas in the country.