American Murder Song (sometimes abbreviated AMS) is an American musical act founded in 2016 by cult film composers and performers Terrance Zdunich and Saar Hendelman. The project uses the murder ballad genre to explore American history, especially 19th-century America. In American Murder Song, Saar and Terrance play the role of roguish balladeers Mister Storm and Mister Tender who make a pact with the bible's Cain to chronicle the tales of killers, known as Survivors, who bear The Mark, an American Mark of Cain.