The Brazilian mezzo-soprano Edineia Oliveira possesses a powerful voice, refined technique, and remarkable stage skills.
Her performances as Éboli in Don Carlo (Argentina), Carmen in the title role (RJ), Amneris in Aida (Argentina), Azucena in Il Trovatore (Mexico), Serena in Porgy and Bess (SP), Verdi's Requiem (SP and Argentina), Maddalena in Rigoletto (SP), Die Hexe in Hänsel und Gretchen (Paraná and DF), Adalgisa in Norma (São Paulo and Argentina), La Frugola/Zia Principessa/Zita in Il Trittico (RJ, SP, PR) have been met with resounding success both with audiences and critics, establishing her as one of Brazil's most prominent voices on the national and international stage.

She has an extensive lyrical and symphonic repertoire, having performed under the baton of renowned conductors such as Lorin Mazel in Beethoven's "Ninth Symphony" at the Municipal Theater of Rio de Janeiro, Eiji Oue in "Jeremiah" at Sala São Paulo; Ligia Amadio in "Lieder eines Fahenden Geselen" in Colombia; Alessandro Sangiorgi "Il Trittico" by Puccini at TMRJ and TMSP; Gennady Rozhdestvensky in Mahler's "Eighth Symphony"; "Mahler's Second Symphony" with Isaac Karabtchevsky at Sala São Paulo, and Fabio Mechetti in the Inaugural Concert and season of Sala Minas Gerais; Allester Willians in "Sea Pictures" at Sala Cecília Meireles; Ligia Amadio and Tulio Colaccioppo in Verdi's "Requiem" at the Municipal Theater of São Paulo and Municipal of Mendoza, respectively; Guilherme Bernstein in "Stabat Mater" – Pergolesi, to name a few.

Holder of the Carlos Gomes Award and several awards in singing competitions, she has performed in all the most important concert halls and theaters in the country.

Among other works from her repertoire, in addition to those already mentioned, are Bach's Passions According to St. John and St. Matthew, Handel's Messiah, Rossini's Petite Messe Solennelle, Korngold's Violanta opera, Verdi's Rigoletto, Camargo Guarnieri's Pedro Malazarte, Gamma Malcher's Bug Jargal, Mascagni's Cavalleria Rusticana (Lola), Saint-Saëns's Samson and Delilah. The Rape of Lucrecia by Britten.

She recorded three CDs of Brazilian Colonial Music with the group "Brasilessência," is the creator and organizer of the lyrical singing course "Breathe and Sing," co-founder and teacher of the "Voice and Body" course; and co-founder and teacher of the "Opera 45" project.
Edineia holds a Bachelor's degree in singing from UNESP,she was a student of Neyde Thomas, Carmo Barbosa and Fernando Carvalhaes and pursued vocal improvement classes with Claudia Friedlander in the USA.