It does introduce the possibility of high descant and variation parts, and facilitates the introduction of tunes with a wide range.
illegal
illegalities
illegality
illegally
illegibility
illegible
illegibly
illegitimacy
illegitimate
illegitimately
illequipped
illfated
illfavoured
illhumoured
illiberal
illicit
illicitly
illimitable
illinformed
illinois
illiquid
illiteracy
illiterate
illiterates
illmannered
illness
illnesses
illogic
illogical
illogicality
illogically
ills
illtempered
illtreated
illuminant
illuminate
illuminated
illuminates
illuminating
illumination
illuminations
illumine
illusion
illusionist
illusionists
illusions
illusive
illusory
illustrate
illustrated
illustrates
illustrating
