Classical music and Operatic music

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

Operatic music and classical music are semantically related. in serious music topic. In some cases you can use "Operatic music" instead a noun phrase "Classical music".

Classical music and operatic music are semantically related. Sometimes you can replace phrase "Classical music" with "Operatic music", this phrases are similar.