en.wikipedia.org › wiki › AlbumAlbum - Wikipedia An album is a collection of audio recordings issued on compact disc (CD), vinyl, audio tape, or another medium such as digital distribution.Albums of recorded sound were developed in the early 20th century as individual 78 rpm records collected in a bound book resembling a photograph album; this format evolved after 1948 into single vinyl long-playing (LP) records played at 33 + 1 ⁄ 3 rpm.