Gabrielle Halloran studied viola at the VCA with Lawrie Jacks and at the Mozarteum Salzburg with Thomas Riebl. During her time in Salzburg, she performed in various chamber ensembles and was tutored by members of the Hagen Quartet. She gave chamber concerts in Paris for the Mozart Bicentenary in 1991 and toured Europe with Salzburg Sinfonietta.
In 1993 Gabby obtained a tutti position with the MSO. Gabby returned to Europe in 1996 on an MSO Friends study grant and attended summer schools in Salzburg (with Thomas Riebl) and Siena (with Yuri Bashmet). She also had lessons with David Takeno in London and Karen Tuttle in New York. Gabby is a regular performer with MSO Chamber Players and enjoys a busy musical life in Melbourne.