Artists like The West Coast Pop Art Experimental Band

Ultimate Spinach was a short-lived American psychedelic rock band from Boston, Massachusetts which was formed in 1967. In terms of style and national recognition, the band was one of the most prominent musical acts to emerge from the "Bosstown Sound", which was a marketing campaign posing as a regional attempt to compete with the San Francisco Sound. During the group's existence, they released three albums, with their self-titled debut the most commercially successful.

The United States of America was an American psychedelic rock band founded in Los Angeles in 1967 by composer Joseph Byrd and vocalist Dorothy Moskowitz, with electric violinist Gordon Marron, bassist Rand Forbes and drummer Craig Woodson. Their 1968 self-titled album, often cited as an early showcase for the use of electronic devices in rock music, was met with critical acclaim and minor chart success. They disbanded shortly after its release.

Spirit was an American rock band founded in 1967 and based in Los Angeles. Their most commercially successful single in the United States was "I Got a Line on You". They were also known for their albums, including their self-titled debut album, The Family That Plays Together, Clear, and Twelve Dreams of Dr. Sardonicus.

Buffalo Springfield was a Canadian-American rock band formed in Los Angeles in 1966 by Canadians Neil Young, Bruce Palmer and Dewey Martin and Americans Stephen Stills and Richie Furay. The group, widely known for the song "For What It's Worth", released three albums and several singles from 1966 to 1968. Their music combined elements of folk music and country music with influences from the British Invasion and psychedelic rock. Like the contemporary band the Byrds, they were key to the early development of folk rock. The band took their name from a steamroller parked outside their house.

The Animals are an English rock band formed in Newcastle upon Tyne in 1962. Their original lineup consisted of singer Eric Burdon, guitarist Hilton Valentine, bass guitarist Chas Chandler, keyboardist Alan Price, and drummer John Steel. Known for their gritty, bluesy sound, they balanced tough, rock-edged pop singles against rhythm-and-blues-oriented album material, and were part of the British Invasion of the US.

The Association is an American sunshine pop band from Los Angeles, California. During the late 1960s, the band had numerous hits at or near the top of the Billboard charts and were the opening act at 1967's Monterey Pop Festival. Generally consisting of six to eight members, they are known for intricate vocal harmonies by the band's multiple singers.

Big Brother and the Holding Company are an American rock band that was formed in San Francisco in 1965 as part of the same psychedelic music scene that produced the Grateful Dead, Quicksilver Messenger Service, and Jefferson Airplane. After some initial personnel changes, the band became well known with the lineup of vocalist Janis Joplin, guitarists Sam Andrew and James Gurley, bassist Peter Albin, and drummer Dave Getz. Their second album Cheap Thrills, released in 1968, is considered one of the masterpieces of the psychedelic sound of San Francisco; it reached number one on the Billboard charts, and was ranked number 338 in Rolling Stone's the 500 greatest albums of all time. The album is also listed in the book 1001 Albums You Must Hear Before You Die.

Tommy James and the Shondells is an American rock band formed in Niles, Michigan, in 1964. The band has had two No. 1 singles in the U.S.: "Hanky Panky" (1966), the band's only RIAA Certified Gold record, and "Crimson and Clover" (1968). The band also charted twelve other top 40 hits, including five in the Hot 100's Top 10: "I Think We're Alone Now" (1967), "Mirage" (1967), "Mony Mony" (1968), "Sweet Cherry Wine" (1969), and "Crystal Blue Persuasion" (1969).