The Crazy Genius Composer Returns is a Manga/Manhwa/Manhua in (English/Raw) language, Manhwa series, english chapters have been translated and you can read them here.
The Crazy Genius Composer Returns synopsis: Success, fame, family… In an instant, the genius composer, Min Hyunseung, lost it all. On the brink of death… he wanted to live a different life, one where all those continuous misfortunes couldn’t just be claimed as karma. “How did this happen…?” He was given another chance to live.