After enduring childhood lessons, it's no surprise many of us give up playing the piano. A technicolour projection screen might put the fun back into learning. The Projected Instrument Augmentation system (PIANO) was developed by pianists Katja Rogers and Amrei Rohlig and their colleagues at the University of Ulm in Germany. A screen attached to an electric piano has colourful blocks projected onto it that represent the notes. As the blocks of colour stream down the screen they meet the correct keyboard key at the exact moment that each one should be played.
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