Original: 150 Rounds for Singing and Teaching. Edward Bolkavec. Voice sheet music. Choir sheet music. For Choral, Voice. COLLECTION. BH Kodaly.
Traducció: 150 Rondes de Cant i Ensenyament. Hart, estima el Palo Alto, La. Partitures de veu. Partitures Cor. Per Cors, Veu.