tinariwen's founders were among them.an refugee camp in 1979. ♪ ♪ abdallah ag alhousseinays guitar.ed >> ( transl ): our music was born out of this reality of exile, hardships and suffering. >> reporter: they moved to libya to join a tuareg military unit led by then-dictator colonel muammar qaddafi,ho provided them some freedom. but tinariwen fought wittheir guitars, not guns. they sang about their people'sed struggle for f in their ancestral land, called azawad. >> ( translated ): we are from azawad, our identity is our 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 promoting the show and responded 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 hu