They’re horrible at making games too. Their biggest games have been IP conceived and developed externally and once they took them over they’ve run them into the ground of mediocrity. In over twenty years I don’t think any developer or franchise has benefited from Microsoft owning them.
Forgery usually involves submitting what you faked to some other entity in order to do something. Maybe if you illegally copied and sold that music. Regardless the penalties are similar anyway.