Christine performed with greats such as Chico Freeman and Brainstorm, as a lead vocalist with Danish Radio Jazz Orchestra. In 1992, Christine returned to Ronnie Scott's Jazz Club opening for Chucho Valdes and Irakere.
She was selected in 1998 by the Thelonious Monk Institute
in Washington DC for the Jazz International Vocals Competition performing
with Norman Simmons, Michael Bowie and Grady Tate. Panel included: Dianne
Reeves, Sheila Jordan, Dianne Krall, Dee Dee Bridgewater and Joe Williams.
'What sets Sullivan apart is her capacity for theatre
and beguiling interpretation. Here is a combination of originality and
profundity, and an uncanny ability to reach levels of luminous - at times
transcendent - expression'