Up to after 1996 , the cassette was one of the two most common formats for prerecorded music .
Between the early 1970s and the early 1990s , the cassette was one of the two most common formats for prerecorded music , first alongside the LP record and later the compact disc ( CD ) .Compact Cassettes contain two miniature spools , between which the magnetically coated , polyester-type plastic film ( magnetic tape ) is passed and wound .
Cassette tape