BAck in the 60/70s, in Muzak's heyday, was there anything less "cool" to listen to than FM Muzak stations?
Still, there are some interesting "muzak" format stations available for free these days on the internet.
One of my favorites is 101.ru - "Easy Listening". Its like a quirky yet appealingly hi fi muzak time capsule from 40 years ago and great for light listening with the intent to eventually doze off.
Here one might hear quirky but interesting arrangements of some theme song from your favorite 60s or 70's cop drama (remember "Cannon" anyone?) that you haven't heard in years all with very good sound that might actually make you think "hey, muzak can actually sound pretty good on a good system, maybe it really isn't all bad."