Can you filter by genre? I know that you could do something like ./Genre/Artist/Year - Album/Track - Title.mp3 but there is possibly other elements that are use

Can you filter by genre? I know that you could do something like ./Genre/Artist/Year - Album/Track - Title.mp3 but there is possibly other elements that are useful in mp3 tags... and what if one song could be classified in multiple genres? would you keep multiple copies?