Marianelli was born in
Pontedera in the
Province of Pisa. She began her vocal studies in Pisa with Marina Billieri and Pieralba Soroga, with further study at the Conservatorio Mascagni in
Livorno. In 2001, at the age of 15 and never having seen a live opera performance, she placed second in the Cascinalirica singing competition in Livorno. The following year she made her professional debut as Barbarina in
Le nozze di Figaro at Pisa's Teatro Verdi. She won the Premio Spiros Argiris in 2004 and in December of that year appeared in the small off-stage role of "La voce dal cielo" (voice from heaven) in
Don Carlo at the
Teatro Comunale di Firenze. She would return there seven years later as Musetta in
La bohème. From 2004 onwards, Marinelli made a series of other house and role debuts in Italy, Belgium, Peru, Spain, and Monaco and sang over 30 different roles. Nanetta in
Falstaff at
La Monnaie, Brussels (2006); Fiorilla in
Il turco in Italia at the
Rossini Opera Festival (2007); Gilda in
Rigoletto at the Teatro Municipal Alejandro Granda, Lima; Amour in
Orphée et Eurydice at the
Teatro Real, Madrid (2008); Kseniya in
Boris Godunov at the
Teatro Regio di Torino (2010); Micaëla in
Carmen at the
Teatro Comunale di Bologna (2010); Oscar in
Un ballo in maschera at the
Opéra de Monte-Carlo (2011); and Giulietta in
Un giorno di regno at the
Teatro Regio di Parma (2013). == Recordings ==