Recorded versions of these songs were at first just seen as a way to promote the sheet music, and were usually released only after sheet music sales began falling. Records grew steadily in popularity throughout that time, though, with sales going from 4 million units per year in 1900 to 30 million in 1909, and to over 100 million per year by 1920.

The album era (sometimes, album-rock era) was a period in popular music during the latter half of the 20th century in which the album—a collection of songs issued on physical media—was the dominant form of recorded music expression and consumption. Usually defined as lasting from the mid-1960s until the mid-2000s, [1] [2] it was driven primarily by three successive music recording formats

A playlist of 45 songs that shaped rock music and teen culture from 1949 to 1964. Learn how Eddy Arnold, Elvis Presley, Chuck Berry, Little Richard and more made history with their 45s.

Recorded versions of these songs were at first just seen as a way to promote the sheet music, and were usually released only after sheet music sales began falling. Records grew steadily in popularity throughout that time, though, with sales going from 4 million units per year in 1900 to 30 million in 1909, and to over 100 million per year by 1920.

The album era (sometimes, album-rock era) was a period in popular music during the latter half of the 20th century in which the album—a collection of songs issued on physical media—was the dominant form of recorded music expression and consumption. Usually defined as lasting from the mid-1960s until the mid-2000s, [1] [2] it was driven primarily by three successive music recording formats

A playlist of 45 songs that shaped rock music and teen culture from 1949 to 1964. Learn how Eddy Arnold, Elvis Presley, Chuck Berry, Little Richard and more made history with their 45s.