Upplýsingar frá listasamtökum (staðfest af Operabase)
The Exercises and Dances of Guido by Martynov, mið 10 mar 2021, Frá (2021/2021), Leikstýrt af Georgy Isaakyan,, Hljómsveitarstjóri Alevtina Ioffe, Sergei Mikheev, Natalia Sats Moscow Children's Musical Theatre, Moscow, Russia