Simplify the following text for a Grade 6 native English-speaking person.
Original: Loudness is a Japan-based heavy metal band formed in 1981 by guitarist Akira Takasaki and drummer Munetaka Higuchi .
Simplified: Loudness is a heavy metal band from Japan . The band was founded in 1981 by singer Akira Takasaki and drummer Munetaka Higuchi .