Koko - Yiri :
From the album Burkino Faso
Released in 2002
It is learnt through Oral Tradition

The texture of the piece:

Starts off monophonic with only the balaphone's playing
When the second balaphone enters the texture becomes heterophonic
It is also polyphonic at times

Features of the rhythm include cross rhythms, polyrhythms and syncopation
The piece is modal and uses a pentatonic scale ( 5 notes) being- Gb, Ab, B, Db, Eb
The singers follow a solo voice in call and response but unison is also used.
Ostinato on the drums, which continues to play a rhythmic ostinati throughout.
The metre at the start of the piece is free/un-metered
The time signature is 4/4
When the balaphones play at the beginning the interval between the two is an octave.

	Created by Lucy Hodgson over 8 years ago

GCSE Music Note on Facts about the piece, created by Lucy Hodgson on 29/04/2016.