John Cipollina (1943-2018) was an influential American guitarist and songwriter, best known for his work with the psychedelic rock band Quicksilver Messenger Service. Based in San Francisco, Cipollina's distinctive fingerpicking style and ethereal guitar tones were central to the band's sound, which blended rock, blues, and jazz influences. Cipollina's notable works include Quicksilver's seminal albums such as "Happy Trails" (1969) and "Shady Grove" (1969), which showcased his innovative guitar work and improvisational skills. His live performances, characterized by extended jams and a fluid interplay with other musicians, left a lasting impression on the psychedelic rock scene. Beyond Quicksilver, Cipollina collaborated with various artists and bands, including Copperhead, a group he formed in the 1970s. His work influenced countless guitarists and contributed to the development of the Bay Area music scene. Cipollina is also remembered for his unique approach to tone and effects, which has inspired generations of musicians. His legacy endures through his recordings and the impact he had on the evolution of rock music, particularly in the realm of improvisational live performance.