AOS4 Yiri - Koko

Metre

Mainly 4/4, occasional 3/4,5/4 and 6/4

Rhythm

• Drum ostinato for most - semiquaver, sq, q, sq, sq, q
• Crodd rhythms
• Polyrhythms
• Syncopation

Tempo

Intro is in free time, rest is moderate for most

Dynamics

Similar dynamics for most with shouts

Accompaniment/Instrumentation

• Balafon provide layers of ostinato with variation
• Drums - donno, tamtam, djembe, dundun
• Vocals

Texture

• Intro is monophonic
• Heterophony is balafons
• Instrumental and melodic sections

Harmony and Tonality

• G flat hexatonic scale used for most
• Multiple statements of G flat, D flat establishes G flat as tonal centre

Melody

• Main balafon melody is two bars long
• Vocal features some long held notes with punctuations of Yiri
• Improvisation in most parts

Form/Structure

Intro - series of vocal sections and balafon breaks

Call and response in vocal