Listen to Toxicity (In the Style of System of a Down) - 1 online. Toxicity (In the Style of System of a Down) - 1 is an English language song and is sung by ProSource Karaoke. Toxicity (In the Style of System of a Down) - 1, from the album Toxicity (In the Style of System of a Down) [Karaoke Version] - Single, was released in the year 2010. The duration of the song is 3:41. Download English songs online from JioSaavn.