This setting employs antiphonal choir effects and brass fanfares. In the early church, the music consisted of hymns and antiphonal psalmody. Psalmodic chants include "direct psalmody", "antiphonal chants", and "responsorial chants". In his motet "Komm, Jesu, komm", Bach uses eight voices deployed as two antiphonal choirs. Also, the Advent Prose, an antiphonal plainsong, may be sung. Two methods of singing psalms or other chants are responsorial and antiphonal. Gin people like antiphonal songs which are melodious and lyrical. This kind of calling is termed antiphonal duetting. True antiphonal performance by two alternating choruses still occurs, as in certain German monasteries. Most psalmodic chants are antiphonal and responsorial, sung to free melodies of varying complexity. The harpsichords have much dialogue between themselves and play in an antiphonal manner throughout. In both Visigothic/Mozarabic and Gregorian chant, there is a distinction between antiphonal and responsorial chants. They perform bird fight and antiphonal singing. Parallelism lent itself to antiphonal or call-and-response performance, which could also be reinforced by intonation. It is not uncommon for a pair to perform an antiphonal duet.