Replace fields with another value like the genre field rock with hard rock or pop with latin pop etc

Looking for a way to replace fields with another value
Trying to replace some genres like metal with heavy metal, rock with hard rock, pop with latin pop etc…
Also except genre fields i would like to know if this can be used for replacing feat. with featuring or
a separator like , with :

Hello! Have you explored the modify command? For example, you might want something like beet modify -a genre:metal genre="Heavy Metal" or similar.

For more systematic modifications, you might be interested in this feature design: