 After the closure of D'Oyly Carte, Leonard continued to perform in Gilbert and Sullivan operas, including as the Duchess in "The Gondoliers", Katisha in "The Mikado" with New Sadler's Wells Opera, with Phoenix Opera at Gawsworth Hall for seven seasons in the principal contralto roles, and Katisha, Buttercup and Ruth in Norway.She also sang with Gilbert and Sullivan for All.Leonard returned to singing in concerts and oratorios, at venues such as Royal Albert Hall, Royal Festival Hall, the Barbican Arts Centre, Symphony Hall, Birmingham, and St. David's Hall in Cardiff, Wales.