Listen to I Vow to Thee My Country online. I Vow to Thee My Country is an English language song and is sung by The Regency House Choir. I Vow to Thee My Country, from the album Carols at Christmas - The Very Best Xmas Carols & Hymns, was released in the year 2016. The duration of the song is 2:29. Download English songs online from JioSaavn.