'Twas in the moon of winter time

Whose song is 'Twas in the moon of winter time?

Artist Album
Cambridge Singers
Christmas with the Cambridge Singers
John Rutter
Christmas Star
John Rutter - The Cambridge Singer - The City of London Sinfonia
Christmas with the Cambridge Singers
The Cambridge Singers
Christmas Star
Christmas with the Cambridge Singers
Various Artists
Christmas With the Cambridge Singers (The City of London Sinfoni