Bob Mosley (born December 4, 1939) is an American singer-songwriter and musician known for his role as the lead vocalist and bassist of the band Moby Grape, a seminal group in the 1960s San Francisco music scene. Moby Grape, formed in 1966, blended rock, folk, and blues, contributing to the development of psychedelic rock. Their self-titled debut album, released the same year, is often regarded as one of the best albums of the era, featuring notable tracks like "Omaha" and "Hey Grandma." Mosley's songwriting and vocal style helped define the band's unique sound, characterized by intricate harmonies and diverse musical influences. Despite facing challenges, including lineup changes and personal struggles, Moby Grape has maintained a cult following and is respected for their innovative approach to rock music. In addition to his work with Moby Grape, Mosley has released solo albums and collaborated with other artists throughout his career. His contributions to music have been recognized for their influence on subsequent generations of musicians, particularly in the realms of rock and alternative music. Mosley's work remains a testament to the creative spirit of the 1960s music revolution.