melomaniac
/mɛləʊˈmeɪniæk/Definitions
1. noun
a person with a strong enthusiasm or obsessive love for music, especially classical music
“The music critic was a confessed melomaniac with a vast knowledge of opera.”
2. adjective
characterized by or showing a strong enthusiasm or obsessive love for music, especially classical music
“As a melomaniac composer, he spent most of his life writing symphonies and chamber music.”