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Serj Tankian, the lead vocalist of System of a Down, has released a total of five solo albums: "Elect the Dead" (2007), "Imperfect Harmonies" (2010), "Harakiri" (2012), "Orca" (2013), and "Elasticity" (2021). These albums showcase Tankian's diverse musical influences, ranging from rock and metal to electronic and experimental sounds.