In 1973, Cornall performed alongside Red Symonds, lead guitarist of Skyhooks, in the play The Ride Across Lake Constance by German absurdist Peter Handke.
Following this time, Cornall travelled overseas, performing solo as a singer/songwriter, before joining the all-girl Latin jazz band, Baba Yaga, in Portland Oregon.
With musical partner Elizabeth Drake, they performed alongside Jeannie Lewis, Margaret Roadnight and Robyn Archer on the Australian festival circuit and with Cabaret Conspiracy in Sydney In 1983, Cornall went solo, performing her one-woman comedy on stage with Gretel Killeen and Wendy Harmer[3] at the Gap Women's Comedy Shows in Sydney and regional NSW.
Her resultant play Escape From a Better Place was performed by four theatre companies, later adapted for ABC Radio Drama and read at the International Women's Playwrights Conference in Athens in 2000.
In 2000, Cornall worked as writer on a unique project with Australian Tibetan musician Tenzing Tsewang, dramatising the story of his journey out of Tibet.
[citation needed] Her time spent in Indonesia began collaborative relationships which she continued to develop over the following years with an Asia Link residency in Jakarta in 2006.