Certainly both, but in your question, I'm suspecting your unaware of how much of this music you're familiar with it since it lives rent-free in the general zeitgeist. For example, I suspect you'd recognize Satie's work Gymnopedie no. 1[1] and perhaps putting a name to it will give you some appreciation for why his work is valued

[1] https://www.youtube.com/watch?v=S-Xm7s9eGxU