Transcript AOS 4 YIRI

Music from Sub-Saharan Africa
• 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 Db Eb (all the
black notes on the keyboard)
• The TEXTURE becomes POLYPHONIC with ostinati played
by the BALAPHONES
• 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
• 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
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POLYRHYTHMIC
POLYPHONIC
MONOPHONIC
HETEROPHONIC
BALOPHONE
DUN-DUN
OSTINATI
PENTATONIC
CALL& RESPONSE
MONOPHONIC
DJEMBE
UNISON