The boys aged 7 to 16 who make up the vocal band Libera have been described as “normal” and “ordinary”. However, as their recordings and performances demonstrate, the music they produce is truly extraordinary. With shimmering, mystical chords and ecstatic harmonies, they are unlike any other group you have ever heard. These are truly sounds to lift the soul. Celestial sounds for a new time.
I wouldn't disagree with that. A perfect album for Christmas. Also if you are able to get there they are performing tonight at: St George's RC Cathedral, London.
Here's another link to a youtube preview of the Christmas album.