Topic summary
Graduale

Extracted from the Wikipedia article Gradual.
The gradual (Latin: graduale or responsorium graduale) is a certain chant or hymn in liturgical Christian worship. It is practiced in the Catholic Mass, LutheranDivine Service, Anglican service and other traditions. It gets its name from the Latin gradus (meaning "step") because it was once chanted on the step of the ambo or altar. It is customarily placed after a reading of scripture.