An Alleluia is sung responsorially, alternating between one or two soloists and the entire choir.
The melisma on the final syllable of "Alleluia" is called the jubilus. Often the melody of the jubilus or of the entire respond returns at the end of the verse, setting the final word.
NAWM 3e is an example of an Alleluia in mode 2. It does not repeat the
jubilus or the music of the respond at the end of the verse. Instead,
music from the beginning of the verse (at "Dies sanctificatus illuxit
nobis") is repeated in varied form later in the verse (at "quia hodie
descendit lux magna").
For an Alleluia that repeats the entire music of the respond at the end of the verse, see NAWM 15, p. 61 (listen to online copy). In NAWM 15, the parts of the chant that are sung by soloists are set in polyphony, and those that are sung by the choir remain in monophonic chant.
Last updated: 19 August 2006
URL: http://www.music.indiana.edu/som/courses/m401/Alleluia.html
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