Extended play (EP) is the name typically given to vinyl records or CDs which contain more music than a single, but are too short to qualify as albums. Usually, an EP has around 10?25 minutes of music, a single has up to 10 minutes and an album has 25?80 minutes. EPs were released in various sizes in different eras. In the 1950s and 1960s, EPs were typically 45 RPM recordings on 7" (18cm) disks, with two songs on each side. However, some classical music albums released at the beginning of the LP era were also distributed as EP albums — notably the seven operas that Arturo Toscanini conducted on radio between 1944 and 1954. These operas, originally broadcast on NBC radio, were made available both in 45 RPM and 33 1/3 RPM. In the 1990s, they began appearing on compact disc. During the 1950s, RCA Victor released several EP albums of Walt Disney films, containing both the story and songs. These usually featured the ori