Powell was a committed champion of the Sibelius Violin Concerto and played it into the repertoire. Max Liebling's Fantasia On Sousa Themes for violin and piano was dedicated to her.
Powell was a strong proponent of the Sibelius Violin Concerto, which she added to her repertoire. The Fantasia On Sousa Themes for violin and piano, written by Max Liebling, was dedicated to her as a tribute to her musical abilities.