To learn St. Olaf Choir, Nidarosdomens Jentekor, Anton Armstrong, Epsen Andersen, Hans Andrea Kjølberg, Odd-Bjørn Øslebø Lund, Ragnhild Nodland, Magne H. Draagen - ([Live], Live, After Mendelssohn) Hark! The Herald Angels Sing chords, anchor your practice on these foundational sequence of chords - Bb, C, F, C, F, Bb, Gm and C. Ease into the song by practicing at 45 BPM before reaching the track's full tempo of 91 BPM. With F Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.