Estonia is a tiny nation squeezed between the Baltic Sea and the former Soviet Union. For centuries they have been subject to occupation and used as a pawn by larger, more powerful nations. In 1920 they achieved independence and were thriving only to fall victim again to dictators – in 1939 Hitler and Stalin signed a secret agreement that divided Europe between them. Shortly thereafter, Stalin invaded Estonia and brutally suppressed resistance.

This invasion was followed by more than 50 years of oppression, first by Stalin, then Hitler, then Stalin again. Thousands of Estonians were killed or shipped to Siberia to work in the labor camps. The Estonian language was outlawed, thousands of Russians were moved to Estonia (called “russification”) to further dilute the native population and any hint of free thinking was swiftly and severely punished.

However, the Estonians refused to give up their culture or their national identity. One way was through singing – this tiny nation has one of the largest collections of folk songs in the world and singing clubs are very popular. A national song festival – “Laulupidu” – has been held every five years since 1894. The Soviets allowed this festival to continue, but required the singing of Soviet communist songs, sung in Russian. On one occasion the Estonians outsmarted their oppressors and spontaneously began singing traditional folk songs in Estonian. The band was ordered to play louder to drown out the singing, but massed voices were too loud.

As Soviet Russia began to crumble, Estonia pushed for more freedoms and independence. Throughout their struggle, singing became a uniting force, bringing people together countless times. The Estonian revolution remained bloodless and, when the USSR finally collapsed, Estonia emerged as an intact nation, united by their suffering but also by their joyous singing.

The Singing Revolution will leave you with a lump in your throat and goosebumps on your skin. It’s hard to believe that singing can stop tanks, but the Estonians did it again and again. The beautiful, lovingly produced documentary will remind you again of both the price of freedom and why it’s so precious.