Every artist email has an unsubscribe link at the bottom, and replying STOP to any text ends those messages instantly.

Both take effect immediately, and both only affect that one artist. Unsubscribing from one artist does not touch any other artist you follow.

Unsubscribing from marketing does not affect your account or your purchases. You will still get:

Those are not marketing, so they are not covered by an unsubscribe.

You can opt back in at any time from the artist's page, and you can manage your contact preferences from your account.