Why listening to Bach makes you spend more: Classical composer's music provides 'a sound of reassurance' on ads, expert claims
Musicologist Peter Kupfer studied how Bach was used in TV ads from 2009–19. Like other classical pieces, Bach's works are often used to signify prestige. But the German composer's works are primarily used to reassure the consumer. There is, however, nothing inherently reassuring about Bach's compositions. Rather, the expert concludes, their typically abstract nature and general associations with prestige allow them to embody different messages and connotations as needed.
Source: dailymail.co.uk