The Graphite Sequencer is an art piece that explores turning a record player into a tangible interface for sequencing music: Disc are coded with graphite, which conducts electricity. Two wires touch the paper discs as they spin. The wires are connected to a simple tone generator. When a line is drawn across the disk, connecting the two wires, a tone is heard. The quality of the line affects te sound. For example, if the line is thick, more current can pass over it, creating a lower tone. Via Neural

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