[2][3] Raquel Pierotti was born in Montevideo, Uruguay[4] where she got her graduation at the National Opera School and made her operatic debut in 1973 as Damigella nuziale in Mozart's Nozze di Figaro.

[5] In the same year she won the First Prize in the "Mozart Singing Competition" organized by Barcelona's Mozarteum and the Gold Medal from Radio Nacional de España (Spanish National Broadcasting) given to the most promising debutant of the season.

The following year she made her European débuts at the Opera de Paris as Rosina in Rossini's Barber of Seville, as well as at La Scala, Milan, as Marcellina in Mozart's Le nozze di Figaro.

[4][6] She has worked with renowned conductors as Riccardo Muti, Claudio Abbado, Gianandrea Gavazzeni, Riccardo Chailly, Julius Rudel, John Eliot Gardiner, Jesús López Cobos, Sir John Pritchard, Alain Lombard, Lorin Maazel... and directors as Giorgio Strehler, Jean Pierre Ponnelle, Eduardo De Filippo, Patrice Chéreau, Pier Luigi Pizzi, Roberto de Simone, Luca Ronconi, Lluis Pasqual, Jérôme Savary, Beni Montresor, Gabriele Lavia, Jorge Lavelli, José Carlos Plaza... She has appeared at most of the well-known opera houses in Italy such as Milan, Rome, Naples, Pesaro, Bologna, Florence, Turin, Genoa, Parma, Palermo and Verona among others as well as outside Italy in Barcelona, Sevilla, Madrid, Vienna, Stuttgart, Munich, Brussels, Geneva, Paris, Lyon, Lisbon, Buenos Aires, Santiago de Chile, Montevideo, Mexico, Caracas, Pretoria, Tokyo, Washington...[4][6] Among her activities are recitals of Spanish and Latin American music as well as "Zarzuela".

She sang the role of Mariana (Luisa Fernanda) in Scala di Milano (2003), Teatro Real (Madrid) (2006) and Theathr an der Wien (Vienna) (2008) all with Plácido Domingo.