While at the Academy she discovered her voice and took soprano solo parts in oratorios and cantatas and was a frequent soloist at the Three Choirs Festival.
In 1886 Ellicott found success at the Gloucester Festival with the orchestral Dramatic Overture and then in 1889 with Elysium, a lyrical cantata.
It has been suggested that her father's position as a bishop enabled her to have some of her works performed at the Three Choirs Festival (held in rotation in Gloucester, Hereford and Worcester.)
However, the majority of new composers used patronage from established musicians or other influential people in order to obtain festival premieres.
[9] The Piano Quartet in B minor and the Violin Sonata were both introduced at the same Steinway Hall concert in London on 28 April 1900, performed by Sybil Palliser, Edie Reynolds, Lionel Tertis and Charles Ould.