Edited sentence: Lewis, a coloratura soprano with a 4 octave vocal range Lewis's mezzo-soprano range allows her to take melodies from luxurious low notes to high-flying falsetto, gliding with elegant power and impressive control through all kinds of fluctuations and modulations.Music Critic Stephen Erlewine of Allmusic praises Lewis's vocal range and her ability to hit those big notes but make it seem easy, never straining her voice and building nicely to the climax.Unlike most divas, there is a human quality to Lewis's voice, as she's singing to the song, not singing to her voice