Sir George Martin, most famous for being the longtime music producer and friend of The Beatles, has passed away at the age of 90. He has worked with numerous other successful acts such as America, Jeff Beck, Cheap Trick, and Celine Dion, but it was 7 magical years as producer of The Beatles that helped him launch his career into super-stardom. Sir Paul McCartney has been quoted as saying Martin was “a second father to me.”