2. Singles  55 RPM, Revolutions per minute  Only had 1 song on each side, usually only 2-3 min  Cheap and easy to buy, made it the music media for teens  Embodies the Rock n Roll era  Made music the favorite pastime for teenager and younger people

3. Key Singles  Johnny B. Goode; Chuck Berry  That will be the Day; Buddy Holly  The Twist; Cubby Checker  I wanna hold your hand; The Beatles  Rock Around The Clock; Bill Hayle and the Comets

4. Albums  78 RPM; revolutions per minute  Allowed artist to explore longer songs and more abstract lyrics  By the mid 60s albums were the main music media of the youth  Embodies the hippy culture

5. Key Albums  Please, Please me; The Beatles  Freewheelin Bob Dylan; Bob Dylan  Revolver, Rubber Soul; The Beatles  Sgt Pepper’s Lonley Hearts Club Band; The Beatles  The Doors; The Doors