From The Art and Popular Culture Encyclopedia
The art music (or serious music or sometimes erudite music), primarly refers to classical traditions, focuses on formal styles, invites technical and detailed deconstruction and criticism, and demands focused attention from the listener. It is written down using a formal notation and a work of classical music is usually defined by the notated version, rather than a particular performance of it.
Art music is considered primarily a written musical tradition, preserved in music notation, as opposed to being transmitted orally, by rote, or in recordings (like popular and folk music)
Art music is what is played by radio stations such as Klara.
In this context this means that art music may refer to:
And to some extent