Monophonics is an American psychedelic soul band from San Francisco, California. Founded in 2005, the band is known for their mix of 1960s and 1970s soul with psychedelic elements, resulting in a distinctive, layered sound. Notably, the band's lead vocalist and keyboardist, Kelly Finnigan, has been instrumental in shaping their signature style. Monophonics' album "Sound of Sinning" (2015) is particularly influential, showcasing their unique blend of vintage soul and modern psychedelia.