31-year-old musician was filmed wearing hip hop-style clothing as he stands in front of missile launchers and burning buildings in the conflict-ravaged city of benghazi .
libya 's second largest city was seized by the hardline islamist group ansar al-sharia in july last year and intense fighting between the rebels and regime forces over the past few months have reduced much of benghazi to rubble - apparently an ideal backdrop to volcano 's rap videos .