Listen to Hummel: Tantum Ergo online. Hummel: Tantum Ergo is an English language song and is sung by Westchester Oratorio Choir, John Eric Floreen and New Brunswick Chamber Orchestra. Hummel: Tantum Ergo, from the album Big Choral Box Vol III, Classical and Romantic, was released in the year 2016. The duration of the song is 3:24. Download English songs online from JioSaavn.