an Entity references as follows:
The maid of Pskov / Rimsky-Korsakov, comp.; Vladimir Ognovienko, B (Tsar Ivan); Galina Gorchakova, S (Olga); Vladimir Galusin, T (Mikhail A. Tucha)... [et al.]; Kirov chorus and orchestra, St Petersburg; Valery Borisov, chef de choeur; Valery Gergiev, dir.