Shneiderman. Shape of Song Martin Wattenberg, history Flow Fernanda Viegas and Martin Wattenberg. And an understanding of how to use an analogue approach to extend the visual languages they use to visualise data. The Shape of Song is an attempt to answer this seemingly paradoxical question. Its a good reminder to those who feel intimidated by complex data visualisation tools, design software, and coding that you dont need these to being to understand how to gather and visualise data.