Artists like The 13th Floor Elevators

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.

Roger Kynard "Roky" Erickson was an American musician and singer-songwriter. Called an "outsider genius", he was a founding member and leader of the 13th Floor Elevators, as well as a pioneer of psychedelic rock music during the mid to late 1960s. Additionally, he founded the band Roky Erickson and the Aliens in the late 1970s.

The West Coast Pop Art Experimental Band (WCPAEB) was an American psychedelic rock band formed in Los Angeles, California, in 1965.

Don Van Vliet, known by his stage name Captain Beefheart, was an American singer, songwriter, multi-instrumentalist, and visual artist. Conducting a rotating ensemble known as the Magic Band, he recorded 13 studio albums between 1967 and 1982. His music blended elements of blues, free jazz, rock, and avant-garde composition with idiosyncratic rhythms, absurdist wordplay, and Vliet's gravelly singing voice with a wide vocal range.

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.

Paul Revere & the Raiders were an American rock band formed in Boise, Idaho, in 1958. They saw considerable U.S. mainstream success in the second half of the 1960s and early 1970s. The band was known for including Revolutionary War-style clothes in their attire.