Grace Kelly (song) wrote "Grace Kelly" as a way of expressing his individuality. The song's melody is based on the aria "Largo al factotum", from the opera "The Barber of Seville" by Gioachino Rossini. The song received positive reviews from music critics. Heather Phares from AllMusic wrote a positive review for the song, stating that "Mika's singles are his most charming moments, including the instant sunshine of "Grace Kelly," which crams tap-dancing rhythms, filmic dialogue, Elton's pianos, Freddie's vocal harmonies, and Brian May's guitars into just over three minutes." Christian John Wikane from PopMatters wrote an extensive article about the comparisons between Mika
Gioachino Rossini History of Western Music", "Rossini's fame surpassed that of any previous composer, and so, for a long time, did the popularity of his works. Audiences took to his music as if to an intoxicating drug—or, to put it more decorously, to champagne, with which Rossini's bubbly music was constantly compared." Rossini took existing operatic genres and forms and perfected them in his own style. Through his own work, as well as through that of his followers and imitators, Rossini's style dominated Italian opera throughout the first half of the 19th century. In his compositions, Rossini plagiarized freely from himself, a