Some demonstrators chant a protest song that criticizes Haitian President Rene Preval.

You can listen to another protest song 'Make Him Pay' over on their Bandcamp.

They were jailed in 2012 after singing a protest song in a Moscow cathedral.

It was the protest song for a generation of people tired of not being heard.

The demonstrators join hands for a solemn but rousing chorus of a Shona protest song.

Newcastle YouTuber and comedian RobComRobCom has created a protest song called Save The Big Penis.

We're going to sing it like a protest song.

But we know that in the 21st century, a protest song can't really just be music.

His musical contributions have even led to him being called the father of the protest song.

This protest song has had an entire book written about it - specifically about Holiday's version.

Their group The Song Snatchers are running a workshop on how to write a protest song.

Members of the Russian punk band, Pussy Riot, perform their controversial protest song in Moscow's main cathedral.

Last week, though, saw a rare sighting of the protest song when PJ Harvey released her new single.

Crosby, Stills, Nash and Young's remarkable single is arguably the perfect protest song: moving, memorable and perfectly timed.

The pair were convicted of hooliganism over a protest song against President Vladimir Putin in Moscow's largest cathedral.

This stuff isn't protest song, it's a fervent interaction with the establishment, and with the established musical norms.