Original sentence: Correa's organ music was inspired by the unique tonal qualities of Spanish organs, unequal temperament, and such devices as the divided keyboard.The music of Correa is not devoid of innovation
Edited sentence: A modern-day performance of Correa's organ music presents some difficulties.Its archaic features notwithstanding, the music of Correa is not devoid of interest and innovation.The ancient flavor of the music gives it a sound foreign to modern ears; additionally, the music is largely dependent on period instruments, deriving much of its interest from the unique tonal qualities of Spanish organs, unequal temperament, and such devices as the divided keyboard