Simplify the following text for a Grade 5 native English-speaking person.
Original: While not as mainstream in Denmark , melodic death metal is popular in the underground music scene , and some more established death metal acts , such as Illdisposed , have also acquired a more melodic sound .
Simplified: Melodic death metal is a form of death metal music , which is itself a style of heavy metal . Melodic death metal is a lot like death metal but , as the name suggests , it is more melodic .