Antonietta D'Elia studied piano, voice and music education. In the 2007 she gradutated whi honours in Opera. In the 2009 she post-gradutated with first class honours in Music Education at the G.Tartini Conservatory of Trieste (Italy). When she was only 22 year old, Antonietta won first prize in the National Italian Opera Competition “Città di Matera”.
As an opera singer she performed the major roles of Lucy in the “Three Penny Opera” by K.Weill, La Ciesca in “Gianni Schicchi” by G. Puccini and Grisette Elì in an original revision of “The Merry Widow” by F. Lehàr, with the Albanian Radiotelevision Symphony Orchestra.
She was honored to represent her Conservatoy singing for two times at the Vatican in Rome. In the 2004 she sung for Pope John Paul II, been broadcast live on prime RAI 1 Television. The second time, in the 2005, again been broadcast live on RAI 1, she performed for the television show "Notte di Luce" at the presence of the Pope Benedict XVI.
In the June 2013, in Adelaide, she was invited to sing for dignitaries at the Celebration of the Anniversary of Carabinieri (Italian National Army Police), achieving resounding success and obtaining a good review on the newspaper "Il Globo".
In July 2014, at Perth Concert Hall, she was the soprano solo for the “Carmina Burana” by Carl Orff during the WA Anglican Schools concert.
Antonietta sings regularly in many music venues around Western Australia, performing her own opera recitals.
As a voice teacher Mrs D`Elia has more than ten years of teaching experience in the vocal and musical fields, working in music academies and schools. She has collaborated with world-renowned music and voice educators, researching new methods in teaching music and voice. Currently, she teaches singing at Peter Moyes Anglican Community School in Mindarie (WA) and in her private studio in Butler (WA).