Stamping Mill is an American
experimental rock band, founded in 2009 in Northern California. The sole member of the band, who goes by the pseudonym of Joseph, composes songs using a computer program to generate musical notes randomly. The structure and collections of tones within each song are predetermined, while the sequence of notes is selected randomly and then recorded using guitars or xylophones or other instruments. This style of music, in which some element of the composition is left to chance, is known as
aleatoric music. Aleatoric music is primarily associated with classical composers like
John Cage and
Witold Lutoslawski and has only occasionally been used in the rock genre.