Simplify the following text for a Grade 6 native English-speaking person.
Original: Gorillaz is a musical project created in 1998 by Damon Albarn and Jamie Hewlett .
Simplified: Gorillaz are an animated English rock band . The band was invented by Damon Albarn , a member of the band Blur , and Jamie Hewlett , who has worked on the comic book series Tank Girl .