Piano Stairs


A staircase in a public space, such as a subway station. 

Design concept

Turn the steps of the staircase into a piano keyboard and have each step play its corresponding note when stepped upon. The aim is to motivate people to use the stairs rather than the escalator.

Experiential qualities and related concepts

Affective, embodiment, exertion, performative, sociality.

Augmentation modality

Haptic, auditory.

Technical options

Pressure or IR/laser sensors. Music synthesizer.

Prototyping techniques

Wizard of Oz.


DDB Stockholm for Volkswagen, 2009.