Mefistofele : Act I Scene 2: The Pact: Son Lo Spirito Che Nega Sempre Tutto (Mefistofele)
Boito: Mefistofele Stefka Evstatieva, Kaludi Kaludov, Sofia National Opera Chorus, Ivan Marinov, Sofia National Opera Orchestra, Nicola Ghiuselev, Rumiana Bareva, Mincho Popov January 1, 1999