Historical clue formulations

• Classic elevator tunes — 2026-05-03
• Something you might hear while you're on hold — 2023-02-17
• Earful in an elevator — 2022-05-29
• Elevator background — 2011-10-12
• You might hear it going up and down — 2007-11-18
• Sounds to shop by — 2007-04-18
• It may be played in elevators — 2006-01-24
• Waiting room sound, maybe — 2004-10-19
• Background sound in a store — 2002-07-08