Her parents came to London soon after their daughter's birth, and in the spring of 1773, through the influence of a hairdresser named Cady, obtained an engagement for their child at Hughes's Riding School.
Her vocal talent developed at a very early age, and after singing at the Royal Circus she was engaged by Richard Daly for the Dublin Theatre, where she sang with great success.
Miss Romanzini's first appearance at Drury Lane took place on 24 October 1786, when she played Antonio in an English version of Grétry's Richard Coeur-de-lion.
The management declining to grant her request, after waiting a few weeks, she came back to London and resumed her place at Drury Lane.
Bland remained attached to the Drury Lane company for the greater part of her life, but she also sang at the Haymarket Theatre under Colman's management, where her first appearance took place in 1791, as Wowski in Arnold's Inkle and Yarico.
She lived for the rest of her life with a family named Western, at the Broadway, Westminster, where she died of a fit of apoplexy on 15 January 1838.
Her powers were limited, but as a singer of English ballads she was singularly perfect and free from any blemish of style or taste.