Simplify the following text for a Grade 8 native English-speaking person.
Original: It has also been an instrument used for the fusion of tribal rhythms with a black metal sound , a music project called Naakhum that used the paganism of the Australian tribes and many others as an approach .
Simplified: It has also been an instrument used for the fusion of tribal rhythms with a black metal sound . A music project called Naakhum used the paganism of the Australian tribes and many others as an approach .