AGO AGO Sacred Music Composition & Arranging

Question 1

When harmonizing a traditional hymn tune for SATB choir, proper voice-leading requires:

Accepted Answer

Resolving the leading tone upward to the tonic and avoiding parallel fifths/octaves

Answer

Standard SATB voice-leading requires the leading tone to resolve upward to the tonic and prohibits parallel perfect fifths and octaves between any two voices.

Question 2

A hymn tune in Dorian mode on D is built on:

Accepted Answer

D-E-F-G-A-B-C-D (natural minor with raised 6th)

Answer

Dorian mode on D is identical to a D natural minor scale except the sixth degree is raised a half step (B natural instead of Bb), giving it a characteristic brightness.

Question 3

When setting a psalm text for unison choir and organ, which compositional approach best serves congregational comprehension?

Accepted Answer

Syllabic text setting with clear phrase structure aligned to the text's natural speech rhythm

Answer

Syllabic setting — one note per syllable — aligned to natural speech rhythm ensures the text remains intelligible and the congregation can follow easily.

Question 4

In an organ voluntary arrangement, 'cantus firmus' technique means:

Accepted Answer

Stating a pre-existing hymn tune in long notes while surrounding voices move in counterpoint

Answer

Cantus firmus technique places a pre-existing melody in long, sustained notes (often in the tenor or soprano) while other voices provide independent contrapuntal accompaniment.

Question 5

Which form is most commonly used for organ settings of a chorale prelude in the Lutheran tradition?

Accepted Answer

Through-composed settings where each phrase of the chorale is elaborated in turn

Answer

The Lutheran chorale prelude is typically through-composed, elaborating each phrase of the hymn tune in succession with introductory or accompanying counterpoint.

(AGO) American Guild of Organists Certification Practice Test

(AGO) American Guild of Organists Certification Practice Test

AGO AGO Sacred Music Composition & Arranging