"Don Everly, half of one of rock and roll's pioneering groups, The Everly Brothers, has died. The musician, known for singing close harmonies with his brother, was 84" - NPR reports. They left behind hits such as 'All I Have To Do Is Dream', 'Wake Up Little Susie', 'Bye Bye Love' and 'Cathy's Clown', influencing the likes of music giants the Beatles, the Beach Boys, Simon & Garfunkel and many others.