One of my books is a hallucinogen, an aphrodisiac, a mood elevator, an intellectual garage door opener, and a metaphysical trash compactor. They'll do everything except rotate your tires.
It's so much easier to go to the Sony movie complex when you're disabled. You take a great elevator. You get your own little private viewing area. I love it.
So, when you divide the world into music lovers, music fans and then those people who are just very casual about their music, it's wallpaper to them, it's elevator music, it's just the thing that's playing in the background that helps them through their day.