Using Lucky Patcher on "new" versions of YouTube Music will likely result in failure to patch or the app crashing upon launch. Google employs heavy integrity checks that detect Lucky Patcher modifications. If you modify the app, you risk your account receiving a warning or the app simply refusing to connect to the internet.
Recommendation: Support the artists by purchasing Premium, or look into open-source alternatives that allow background play (like NewPipe or ReVanced) if you refuse to pay, as Lucky Patcher is no longer the viable tool for this purpose. lucky patcher youtube music new
Users typically follow these steps (not recommended): Using Lucky Patcher on "new" versions of YouTube
Google is aggressive. Using a patched version of YouTube Music while signed into your primary Google account can flag your account. The consequence is usually a temporary ban from YouTube services or a permanent termination of your Google account (losing Gmail, Drive, Photos). Users typically follow these steps (not recommended): Google
Solution: Use a secondary "burner" Google account for the patched app.
If you try this with the latest version of YouTube Music today, the results are mixed to poor. Here is why: