 In the same vein, "Slant" described Lewis's vocals as "technically unimpeachable" in a review of her album "Echo", but criticised them for "lacking any warmth or emotional expression".Lewis commented on the musical style of her debut album describing the album as "classic songs with a contemporary edge", with R&B and "fresh pop" styles, ballads and "soulful up-tempo numbers".It has an American style, with some electronic 1980s sounds.