Rondo and Serious music

Rondo noun - A musical form that is often the last movement of a sonata.

Serious music and rondo are semantically related. In some cases you can use "Serious music" instead a noun "Rondo".

Serious music noun - Traditional genre of music conforming to an established form and appealing to critical interest and developed musical taste.

Rondo and serious music are semantically related. Sometimes you can replace term "Rondo" with "Serious music", this terms are similar.