I am with the music immortals is a Manga/Manhwa/Manhua in english language, manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Though he had no talent, he wanted to succeed as a singer. Death came to him on the day he thought was his last chance, but the music immortals did not forsake him. 'If the music immortals don't abandon you, can you really do it?' With the immortals of music by his side, he started a new life