ABBA

She is a pianist born in Brazil. She won a Gold Medal at the Van Cliburn International Piano Competition and quickly became acclaimed for her characteristic "Brazilian passion and spontaneity." She has performed with conductors that include Neeme Jarvi, Vladimir Ashkenazy and Mariss Jansons and orchestras such as the Royal, Berlin, Vienna and Czech Philharmonics, the Chicago Symphony Orchestra and the Cleveland Orchestra. As a conductor she has led the Prague Chamber Orchestra and Consort of London while performing and as a teacher she has given masterclasses and workshops. She has made many recordings with perhaps her best known being the American premiere of Guarnieri's Choro and the five piano concertos of Villa- Lobos.

Royal Philharmonic Orchestra recordings

Warsaw Concerto (Richard Addinsell)

Decca 0289 468 506-2 (CD: Movie Adagios)

Conductor - Moshe Atzmon

Piano - Christina Ortiz

Warsaw Concerto (Richard Addinsell)

London 0289 414 348 - 2 1 (CD: Addinsell: Warsaw Concerto;Rachmaninov: Piano Concerto No. 2)

Conductor - Moshe Atzmon

Piano - Christina Ortiz

Source:

http://www.oxfordphil.com/piano_festival/past/3rd/artists/ortiz.html

Here she is performing Shostakovich's "Piano Concerto"....