Listen to Mozart: "Voi avete un cor fedele", K.217 online. Mozart: "Voi avete un cor fedele", K.217 is an Italian language song and is sung by Emma Kirkby, Academy Of Ancient Music and Christopher Hogwood. Mozart: "Voi avete un cor fedele", K.217, from the album The Sweet Sound of Emma Kirkby, was released in the year 1999. The duration of the song is 6:25. Download Italian songs online from JioSaavn.