Have You Heard of/Do You Have This?

[Brotato]

Know what it is, don't have it.

I'd love to be able to taste my favorite songs though.

[KaelaBoo24]

I know about this because I read a book where the main character has synesthesia, it's called A Mango Shaped Space. It's a great book and I learned a lot about synesthesia from it. I don't have it, but the thought of sounds and letters having color or texture is so fascinating to me.