As digital downloading and audio streaming have become more prevalent, it is often possible for every track on an album to also be available separately. Nevertheless, the concept of a single for an album has been retained as an identification of a more heavily promoted or more popular song (or group of songs) within an album collection.
Despite being referred to as a single, singles can include up to as many as three tracks. The biggest digital music distributor,
The basic specifications of the
The inherent technical limitations of the gramophone disc defined the standard format for commercial recordings in the early 20th century. The relatively crude disc-cutting techniques of the time and the thickness of the needles used on
With these factors applied to the 10-inch format, songwriters and performers increasingly tailored their output to fit the new medium. The 3-minute single remained the standard into the 1960s, when the availability of microgroove recording and improved mastering techniques enabled recording artists to increase the duration of their recorded songs. The breakthrough came with