She was celebrated for her proficient technique and powerful interpretations of the classical cello repertory, particularly of Elgar. She had an international concert career while still in her teens and made many recordings. She married the Israeli pianist and conductor Daniel Barenboim 1967 and worked with him in concerts, as a duo, and in a conductor-soloist relationship until her playing career was ended by multiple sclerosis. Although confined to a wheelchair for the last 14 years of her life, she continued to work as a teacher and to campaign on behalf of other sufferers of the disease.
