Phonology Useless? I Think My Music System Is a God!

[Time travel + system + aristocratic family + music system + no heroine + talent awakening + talented protagonist group + cool writing without logic] In a parallel world, Blue Star is facing the invasion of evil spirits. Once upon a time, the music system was extremely glorious as the strongest auxiliary system. However, 600 years ago, a sudden catastrophe caused the death of all high-level auxiliary teachers of the music system. Since then, the inheritance of the music system has been cut off. 600 Years later, everyone only knows that the music system was once brilliant, but no one is willing to become an auxiliary teacher of the music system. When everyone was ashamed of awakening the talent of the music system, Lu Yu appeared... He will lead his small team step by step on the road to godhood.