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Three Preludes on Gregorian Sequences

- Mark Siebert


PDF Sample

Use: Eastertide, General
Required Resources: organ

The Gregorian chant melodies for the three primary sequences in the Roman liturgy are presented here in a variety of treatments by organist and composer Mark Siebert. The sequences set include:

  • Easter Sunday — Victimæ paschali laudes
  • Pentecost Sunday — Veni Sancte Spiritus
  • Corpus Christi — Lauda Sion Salvatorem

The settings are all reminiscent of Mendelssohn's Organ Sonata No.6, based on Vater unser im Himmelreich.

Victimæ paschali laudes begins with the chant melody alternating in either hand, accompanied by undulating eighth notes. The next phrase is assigned to the tenor voice, accompanied by right hand chords and pedal. A 5-part chorale texture places the next phrase in the soprano, while fortissimo half note chords set the "Amen! Alleluia!" All phrases of the sequence appear, however the repeats, inherent in the sequence to accommodate the text, are unnecessary in the organ version and are eliminated.

Veni Sancte Spiritus is set as a toccata. Passages of flashing sixteenth note manual chords over the melody in the pedal alternate with homophonic phrases on a quieter manual. As in the first sequence, repetitions of the melodic pattern in the chant sequence are not imitated in the toccata.

Fantasia-like, and most derivative of the Mendelssohn work mentioned above, Lauda Sion Salvatorem incorporates a variety of textures. Eighth note chord progressions alternate with running sixteenth notes; quiet, hymnic passages are interrupted by sixteenth-note broken chords over the chant melody in the pedal. A sonorous reed passage in stately quarter notes ends the work.

Of medium difficulty level, these sequence settings can be handled by a well-trained organist.


Order #: 6029
Price: $5.95


- Organ/Instrumental
- Easter
- Ordinary Time
- Organ

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