1. Rock and Roll (Early 1960s): The Beatles initially performed rock and roll and rockabilly music, influenced by the American artists of the 1950s.
2. British Invasion (Mid-1960s): The Beatles played a significant role in the British Invasion, where British rock bands gained immense popularity in the United States.
3. Psychedelic Rock (Late 1960s): The Beatles experimented with psychedelic sounds, influenced by the counterculture and drug culture of the time, in albums such as "Revolver" and "Sgt. Pepper's Lonely Hearts Club Band."
4. Experimental and Avant-Garde (Late 1960s-Early 1970s): The Beatles explored various experimental and avant-garde styles, incorporating classical music, sound effects, and studio experimentation in albums such as "The White Album" and "Abbey Road."
Overall, the Beatles contributed to and influenced several musical periods throughout their career, from the early days of rock and roll to the experimental and innovative sounds of the late 1960s.