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O Magnum Mysterium

Over the last weeks I have been collaborating with our parish’s assistant choir director to provide some two and three part pieces for the women’s schola and girl’s choir. Among the pieces requested was a setting of O Magnum Mysterium with violin accompaniment. This was the first piece I composed from the list, and I have made three variations of it: SA + Violin, SAA, and SSAA. The latter variations are sung a cappella.

The scores may be freely downloaded at the bottom of the post and are licensed under Creative Commons (CC-BY-NC-ND).

SA + Violin Variation

O Magnum Mysterium – Drake (SA + Violin)

SAA Variation

This variation removes the violin solo sections and converts the remaining violin accompaniment to an alto voice. The O Beata sets the violin down an octave for the second alto part. In measure 74, D may be a bit on the high side for the Alto voice, but at least Finale does not complain that it is altogether out of range for that voice.

O Magnum Mysterium – Drake (SSA)

SSAA Variation

This variation requires a soprano vocalist with a delicate high C, as it takes the violin accompaniment of O Beata at pitch. Most of the setting is still SAA elsewhere, but I added another contrapuntal line to the Alleluia at the end.

O Magnum Mysterium – Drake (SSAA)

Discussion and Interpretation

This setting includes the versicle and response, as well as the alleluia. Set in E-minor, it places the piece in a comfortable key for the violin, though exercising the full lower range of the instrument (including open G string).

The melodic lines play around with C and C#, sometimes drawing the sound closer to B-minor, at other times staying within E-minor. All twelve notes of the chromatic scale appear somewhere within the piece. B-flat makes its appearance somewhat unexpectedly in Dominum natum jacentem in praesepio. My thought at this point was this: under normal circumstances, what mother would lay her newborn son in a place from which animals eat? How mysterious that the greatest and most perfect of mothers should place the Lord of Heaven in a manger!

I hope that O Beata expresses a sublime ecstasy, but maybe that is hoping for a bit much. It may just be my own ear or the electronic playback, but I really like how in the four part Jesum Christum of the SSAA version (measure 72 at the high C), the A-minor chord following C-major does not sound minor.

The alleluia at the end has some affinity to the beginning, but it plays games with F, F#, G, and G#, in addition to C and C#. Here, it seems as if we have temporarily suspended the key but not tonality. I hope it describes a beautiful mystery.

About the Featured Image

The featured image is The Nativity by Frederico Barocci. It is in the public domain in the United States, according to Wikipedia.

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3 thoughts on “O Magnum Mysterium”

  1. I would love to work on the SSAA for my quartet. The high-c’s are a bit overbearing in the current key, do you happen to have a transposition available (ideally down a 3rd)??

    • Hello Heidi, I’m honored you’re interesting in my composition. I’ve added a version down a third (C-minor). The two Alto lines became very low, so to keep them from running into the lyrics, I used a treble clef transposed down an octave on those two lines. Both lines in the transposed version are more or less now in the Tenor range.

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