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Borodin: Prince Igor (1990)
performed by Alexandrina Milcheva-Nonova (vocals), Angel Petkov (vocals), Boris Martinovich (vocals), Elena Stoyanova (vocals), Kaludi Kaludov (vocals), Mincho Popov (vocals), Nicola Ghiuselev (vocals), Nicolai Ghiaurov (vocals), Stefka Evstatieva (vocals)
composed by Alexander Borodin -
Glinka: A Life for the Tsar (1991)
performed by Alex Penda (soprano), Boris Martinovich (bass), Chris Merritt (tenor), Konstantin Videv (bass), Mincho Popov (tenor), Stefania Toczyska (alto), Stoil Georgiev (bass), Sofia National Opera Chorus (choir, chorus), Emil Tchakarov (conductor)
composed by Mikhail Glinka -
Bulgarian Choral Art, Vol. 1
performed by Bulgarian Radio Children's Choir, Mincho Popov, Sofia Boys' Choir, Bodra Smyana Representative Children's Choir (choir, chorus), Bulgarian National Choir "Svetoslav Obretenov" (choir, chorus), Vassil Arnaudov Sofia Chamber Choir (choir, chorus)
composed by Alexander Raichev, Alexander Tanev, Alexander Tekeliev, Assen Karastoyanov, Bulgarian Traditional, Dobri Hristov, Evgeni Cheshmedjiev, Fillip Koutev, Fillip Pavlov, Georgi Dimitrov, Georgi Zlatev-Cherkin, Ivan Spassov, Lyubomir Pipkov, Nikolai Kaufmann -
Mussorgsky: Boris Godunov (1991)
performed by Angel Petkov (tenor), Bodra Smyana Representative Children's Choir, Boris Martinovich (bass), Dimiter Petkov (bass), Dimiter Stanchev (bass), Emil Ugrinov (bass), Joseph Frank (tenor), Kaludi Kaludov (tenor), Kosta Dinko (bass)
composed by Modest Mussorgsky