Listen to Mascagni: Cavalleria rusticana: "Voi lo sapete, o mama" (Romanza) online. Mascagni: Cavalleria rusticana: "Voi lo sapete, o mama" (Romanza) is an Italian language song and is sung by Renata Tebaldi, New Philharmonia Orchestra and Oliviero De Fabritiis. Mascagni: Cavalleria rusticana: "Voi lo sapete, o mama" (Romanza), from the album 50 Essential Opera Arias, was released in the year 2011. The duration of the song is 3:50. Download Italian songs online from JioSaavn.