Listen to Mathias: Salvator Mundi, Op.89 - 5. Susanni online. Mathias: Salvator Mundi, Op.89 - 5. Susanni is an English language song and is sung by Lyn Williams, Gondwana Voices and Sydney Children's Choir. Mathias: Salvator Mundi, Op.89 - 5. Susanni, from the album Voices Of Angels - Joyful Music For Christmas, was released in the year 2016. The duration of the song is 1:54. Download English songs online from JioSaavn.