This guy uploaded a collection of 1989 - 1993 Kmart background music

Mark Davis worked at a Kmart in Naperville, IL in the late 1980s and early 1990s. Each month, the corporate office mailed a cassette tape to all the stores, which contained easy-listening elevator music and in-house advertisements. Davis saved all 56 cassettes and uploaded them to Archive.org. As Gareth Branwyn says, "I MAY have just gouged my eardrums out." (more")