Reinhold Glière wrote his Concerto for Harp and Orchestra in E-flat major, Op.
It lasts about 25 minutes and is in three movements: Glière sought the technical advice of the harpist Ksenia Alexandrovna Erdely (1878–1971).
She made so many suggestions that he offered to credit her as co-composer, but she declined.
[2][3][4] The music combines features that are redolent of both the Viennese classical style and Russian romantic nationalism.
[1] The Harp Concerto in E-flat has been recorded a number of times: