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AOS 4 YIRI by KOKO. Music from Sub-Saharan Africa. This piece is from a country called BURKINA FASO. It has many features typical of African music. REPETITION- the drum ostinato goes on throughout the music CALL & RESPONSE- the singers follow a solo voice
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AOS 4 YIRI by KOKO Music from Sub-Saharan Africa
It has many features typical of African music • REPETITION- the drum ostinato goes on throughout the music • CALL & RESPONSE- the singers follow a solo voice • Use of the PENTATONIC scale - Gb Ab Bb DbEb (all the black notes on the keyboard) • The TEXTURE becomes POLYPHONIC with ostinati played by the BALAPHONES
Listen to the piece – can you hear these important features? • The piece starts in MONOPHONIC texture with the BALAPHONE playing • A 2nd BALOPHONE joins in playing a slightly different version of the original tune – we call this texture HETEROPHONIC • The drums come in playing RHYTHMIC OSTINATI (plural of ostinato) • The voices first sing in UNISON (same notes) then later on they sing in CALL & RESPONSE
More features of the piece • The music is structured between vocal passages and then instrumental breaks or BALAPHONE solos. • This piece gives the instrumentalists a chance to show off their skills and play with VIRTUOSIC skill - an example of this is the BALAPHONE parts which get more complex towards the end • Notice how much repetition is used – this piece would have been learnt in the ORAL TRADITION
KEYWORDS for YIRI • POLYRHYTHMIC • POLYPHONIC • MONOPHONIC • HETEROPHONIC • BALOPHONE • DUN-DUN • OSTINATI • PENTATONIC • CALL& RESPONSE • MONOPHONIC • DJEMBE • UNISON