Simplify the following text for a Grade 8 native English-speaking person.
Original: Fellow of the British Society Anthony Baines wrote that the didgeridoo functions '' ... as an aural kaleidoscope of timbres '' and that `` the extremely difficult virtuoso techniques developed by expert performers find no parallel elsewhere . ''
Simplified: Anthony Baines wrote that the didgeridoo is like '' ... an aural kaleidoscope of timbres '' .