Is just a pattern that i saw about the song and i will come back soon and explain after i will test this theory. But from what i saw, all keys are based on a music score.
Anyway besides this i created a prediction tool that you enter the BTC address and is giving you the private key in hex(now do not think there is a trick and the key already exist behind). At the beginning it had 0.0008 accuracy and in 1 month i raised to 0.8 accuracy. I need to buy more NVME(~100 TB) in order to feed the program and let him generate the data it needs.