Monks Sing Halo Theme Songs

The Halo Theme Song sang by Finnish medieval a cappella group @munxgregoriana Filmed in the chapel of Helsinki Cathedral, Finland.

Halo Theme Song and "The MAW' From Halo Composed by Martin O'Donnell
Arranged by William Häggblom
Munx Gregoriana:
Joonas Pajari - Tenor
William Häggblom - Baritone
Tuomas Tenkanen - Bass
Johan Krogius(Only in the Audio)
Video Crew: Filmed and edited by Tuomas Tenkanen
1st AC: Anna-Maria Vikstén
Audio Recording & Mixing: William Häggblom
Audio Mastering: Markus Kärki
Audio Recorded in the Church of Suomenlinna