[_the_inflator]

400 times 10-20 USD = 4000-8000 USD.

Divided by 20 amounts to 16-33 years. Roughly.

That’s why I don’t bother about CDs anymore. I used to carry them around privately on a NAT Server many years ago, copying them to my iPod.

[CameronNemo]

1. You are assuming the goal is to spend as little money on art as possible. Which isn't the case for a lot of us.

2. Not everything is on Spotify. E.g. the song Golden Girl by Frank Ocean. Or most Neil Young songs.