 In the early 1890s, Blackmore sang in a variety of concerts with performers including Leonora Braham and W. H. Squire.He took part in an evening concert at Kensington Town Hall on 22 March 1893 in aid of the fund for building a church at the Pembroke College, Cambridge mission in Walworth.The concert, which included Schubert's incidental music from "Rosamunde", receiving its "First performance in England in its original and complete form", was held under the patronage of the Master and fellows of Pembroke College, with a young Henry Wood conducting.