09 March 2016 Current Affairs: The legendary music producer George Henry Martin died on 8 March 2016. He was 90 years old.George Martin was popularly known as the fifth Beatle as he signed the Beatles and became their indispensable mentor and collaborator.He was an english record producer, arranger, composer, conductor, audio engineer, and musician.He served as producer, collaborator and mentor to John Lennon, Paul McCartney, George Harrison and Ringo Starr of the Beatles.He produced jazz, comedy and classical albums before signing the Beatles in 1962. The young band members were rough around the edges, but Martin was the first to saw their commercial promise.Over the years, he helped score, arrange, and produce many of the band's biggest hits, including “Yesterday” and "Love Me Do."His 1979 autobiography, All You Need Is Ears, chronicles his discovery of the Beatles and their creative process.In 2006, working with his son, Giles Martin, he helped develop the Beatles-inspired Cirque du Soleil show "Love" in Las Vegas.Between 1967 and 2007, he won 6 Grammy Awards in various categories.In recognition of his services to the music industry and popular culture, he was made a Knight Bachelor in 1996.He was named by the Guinness World Records as the most successful producer ever, with more than 50 No. 1 hit records over five decades in the USA and the UK alone.