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Tech N9ne, a renowned rapper, has collaborated with Serj Tankian, the lead vocalist of the rock band System of a Down. Their collaboration resulted in the creation of "Straight Outta Mumbai," a track included in Tech N9ne's 2011 album, "All 6's and 7's." The song showcases a unique blend of hip-hop and rock elements, with Tankian's distinctive vocals adding a powerful dimension to the track.