Final answer:
The question accurately describes a psychedelic concert poster for The Byrds designed by Wes Wilson in 1966, making the statement True.
Step-by-step explanation:
The question refers to a concert poster designed by Wes Wilson for the band The Byrds in 1966. This particular poster is known for its psychedelic art style, which is characterized by bright colors, swirling patterns, and often difficult-to-read text - emulating the sensation of an alternate reality. This style of art became emblematic of the 1960s counterculture and the psychedelic music scene. So, the description given in the question indeed fits Wes Wilson's work for The Byrds in 1966 and thus, the correct answer would be (a) True.