How to change the main Google account on your Android phone
How do I find my Google Play account? | AnswersDrive
How to Switch Google Play Accounts on Android: 12 Steps May 24, 2019 Google Play Music
Google Play Music
6. Re-open the Play Store. You should now see the Play Store that matches your default payment method’s billing country. Note that if you don't immediately see the Play Store that matches your default payment method's billing country, it may take a few hours for this to take effect.