The Well-Sequenced Synthesizer is a series of sequencers that are designed to be physical interfaces to play with traditional music theory.
The sequencers were created by Luisa Pereira, a research fellow at NYU’s Interactive Telecommunications Program.
The Counterpointer, below, is a cross between an electronic arpeggiator and a baroque music rule book. It takes a melody input and responds with voices that follow the rules of counterpoint:
El Ordenador carves chaos into order by applying constraints to randomly generated chord progressions, inspired by the features of tonality described by Dmitri Tymoczko in A Geometry of Music:
La Mecánica uses a traditional music box mechanism to play back the progressions generated by El Ordenador: