Francisco Xavier da Cruz, also known as B. Leza or Beleza (earlier Portuguese form: Beléza) (December 3, 1905, July 14, 1958) was a Cape Verdean writer, composer and a singer. da Cruz was born in Mindelo on the island of São Vicente. B. Leza was innovated in morna and frequently used the passage cords (known as the Brazilian halftone, the jargon used by Cape Verdean musicians). He wrote several poems that appeared in the Claridade review.