Between 1963 and 1969, played piano on beatles songs such as "misery," "a hard day's night," "in my life," "penny lane," "all you need is love," and "rocky raccoon."

The answer is George Martin. He was an English record maker, arranger, writer, conductor, sound architect, and performer. He was alluded to as the "Fifth Beatle", including by Paul McCartney, in reference to his broad association on every one of the Beatles' unique albums. Martin created 30 number-one hit singles in the United Kingdom and 23 number-one hits in the United States.