Listen to Mefistofele: Act 4, Forma Ideal, Purissima online. Mefistofele: Act 4, Forma Ideal, Purissima is an English language song and is sung by Santa Cecilia Academy Rome Chorus, Santa Cecilia Academy Rome Orchestra, Floriana Cavalli, Cesare Siepi, Mario Del Monaco, Lucia Danieli, Piero De Palma and Renata Tebaldi. Mefistofele: Act 4, Forma Ideal, Purissima, from the album Boito: Mefistofele, Vol. 2 (1958), was released in the year 2010. The duration of the song is 3:42. Download English songs online from JioSaavn.