The crushing
The crushing
Crushing using woody tools, i.e. a cylindrical mortar
and a vertical masher (Mali)

© M.A. Leplaideur/Periscoop

Listening to the choir helps to maintain the cadence (Angola)
software Realplayer required

Both can be found all over Africa.

the rhythmic crushing or grinding was reflected by songs imitating the noise of these labours or helping to maintain a certain cadence

Crushing of cereals