Sir George Henry Martin CBE is an English record producer, arranger, composer, conductor, audio engineer and musician. He is sometimes referred to as "the Fifth Beatle" in reference to his extensive involvement on each of the Beatles' original albums. He is considered one of the greatest record producers of all time, with 30 number one hit singles in the United Kingdom and 23 number one hits in the United States. Influenced by a range of musical styles, encompassing Cole Porter and Johnny Dankworth, he attended the Guildhall School of Music and Drama from 1947 to 1950, studying piano and oboe. Following his graduation, he worked for the BBC's classical music department, then joined EMI in 1950. Martin produced comedy and novelty records in the early 1950s, working with the likes of Peter Sellers and Spike Milligan. In a career spanning over six decades, Martin has worked in music, film, television and live performance. He has also held a number of senior executive roles at media companies and contributes to a wide range of charitable causes, including his work for the Prince's Trust and the Caribbean island of Montserrat. In recognition of his services to the music industry and popular culture, he was made a Knight Bachelor in 1996.