Born in Bari, she has been active on the sta ges of Italian and European opera houses and concert halls since her debut in 1981.

Felle was born in Bari and received her diplomas in piano and singing from the city's Conservatorio Niccolò Piccinni.

[2] After winning the Concorso Liederistico Internazionale di Finale Ligure and the Voci Nuove per la Lirica competitions in 1984, she made her debut on the opera stage at Teatro Lirico Sperimentale in Spoleto as Adina in L'elisir d'amore and sang again there as Norina in Don Pasquale (1985) and Susanna Le nozze di Figaro directed by Gigi Proietti (1986).

In the first years of her career she sang primarily in operas by Donizetti, Rossini, and Mozart but she also appeared in two rarely performed Mascagni operas, Le maschere (as Colombina) and Sì (as Vera), as well as singing Nena in La Scala's first performance of Pergolesi's Lo frate 'nnamorato.

She is professor of vocal chamber music at the Conservatorio Santa Cecilia in Rome, a post she previously held at the Conservatorio Tito Schipa in Lecce, and has taught courses and master classes for the universities of Barcelona, Weimar, Leipzig, Dublin, Karlsruhe, Palma de Mallorca, Istanbul, and Malta amongst others.