Clare frequently performs and commissions solo, chamber and concerto works from living composers and is a keen advocate of contemporary music. Over the past few years, she has given over 35 world premieres of works by composers including Ken Hesketh, Robert Saxton, Michael Berkeley, Arlene Sierra, John Woolrich, David Matthews, Edwin Roxburgh, John McCabe, and Andrzej and Roxanna Panufnik.

Six of her seven discs feature contemporary music, with world premiere recordings on each. In 2016, the Observer described her as "a star interpreter of contemporary music" while the Telegraph stated that she "brilliantly despatched" Mazurkas by Ad├Ęs at her recital for the Cheltenham Festival. Her recordings have been internationally acclaimed.