tinariwen's founders were among them.rian refugee camp in 1979. ♪ abdallah aalhousseini plays guitar. >> ( translated ): our music was born out of this reality of exile, hardsps and suffering. >> reporter: they moved toibya led by then-dictator colonel muammar qaddafi, who providedem ome freedom. but tinariwen fought with their guitars, notuns. they sang about their people's struggle for freedom in their ancestral land, called azawad. >> ( translated ): we are from razawad, our identity is tuareg origin, and our goal for our country takes precedence over absolutely everything. >> reporter: but none of that mattered to a few dozen people on facebook, who saw a post popromoting the show and red with hate. "any true american will not support this bunch of trash. let them perform in their own country," said one poster. "look like terrorists to me. no way," wrote another. one even threatened to bring his rifle to the show. ( laughter ) singer alhassane ag touhami responds to the hate with humor. >> ( translated ): have they ev