From Long Range Acoustic Devices used to disperse protesters to ear-splitting military drones to songs blasted on rotation to prisoners, ours is an age in which sound has been repositioned as a tool of terror.
Kwaito music star Mandoza was an important symbolic figure in the post-apartheid cultural scene. His success and his refusal to relinquish his tsotsi identity redefined what kind of man could be respected in a free South African.
Music and politics have long been intertwined and political patronage can sometimes lead artists to self-censor. On the other hand, some musicians are just more interested in entertainment than politics.
A trombonist is forced to play the cymbals, while a pair of marching girls dance out his frustrations. A full brass band slips from classical, to jazz, to folk and cabaret. En Avant, Marche! is a strange show, but worth your time.
The MTV music video awards will be held on Sunday, putting this under-rated genre in the spotlight. Videos are inseparable from music in the digital age and the best examples deserve to be taken seriously as works of art.
The golden days of the 1960s protest song may be past, but music is still used across the world as a vehicle to voice political views. More than a sideshow, it can be a form of mobilisation and an expression of 'soft power'.