全世界马克思列宁主义者，团结起来！- Marxist-Leninists of the World, Unite! (Chinese Communist Song)

A song based on Chairman Mao's message of congratulations to the Fifth Congress of the Party of Labour of Albania, which calls upon all Marxist-Leninists throughout the world to unite in the struggle against imperialism, capitalism, and reaction.

Source: ‪@REDERA‬
Image: Chinese poster "People all over the world unite to defeat the American invaders and all their running dogs!" (全世界人民团结起来，打败美国侵略者及其一切走狗！), Political Work Group of the Revolutionary Committee of Beijing Material Factory (北京料器厂革委会政工组),
1971.