- Tract (liturgy)
The tract (Latin: tractus) is part of the proper of the
Roman Mass , which is used instead of theAlleluia during Lenten or pre-Lenten seasons, and a few other penitential occasions, when the joyousness of an Alleluia is deemed inappropriate. Tracts are not, however, necessarily sorrowful.The name apparently derives from either the drawn-out style of singing or the continuous structure without a
refrain . There is evidence, however, that the earliest performances were sung responsorially, and it is probable that these were dropped at an early age.In their final form, tracts are a series of
psalm verses; rarely a complete psalm, but all of the verses from the same psalm. They are restricted to only two modes, the second and the eighth. The melodies followcentonization patterns more strongly than anywhere else in the repertoire; a typical tract is almost exclusively a succession of such formulas. Thecadence s are nearly always elaboratemelisma s. Tracts with multiple verses are some of the longest chants in theLiber Usualis .References
Hoppin, Richard. "Medieval Music." New York: Norton, 1978. Pages 129-130.
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