Sounds of the Seventies was a 40-volume series issued by Time-Life during the late 1980s and early-to-mid 1990s, spotlighting pop music of the 1970s. Much like Time-Life's other series chronicling popular music, volumes in the "Sounds of the Seventies" series covered a specific time period, including individual years in some volumes, and different parts of the decade (for instance, the early 1970s) in others; in addition, some volumes covered specific trends, such as music popular on album-oriented rock stations on the FM band. Each volume was issued on either compact disc, cassette or (with volumes issued prior to 1991) vinyl record. Individual volumes generally contained anywhere between 18 and 22 tracks, and represented the highlighted time period's most popular and noteworthy tracks. A