What are waveforms, and how can we interpret them? Is "amplitude" the same thing as "loudness"? What are harmonics, and how do they influence sound? Software developer Josh Comeau has created this helpful and highly engaging interactive tutorial about audio waveforms for The Pudding. As visitors explore this tutorial, they are presented with a number of graphs (many of them interactive) that illustrate concepts such as displacement, frequency, amplitude, harmonics, and phrase. Several of these graphs are accompanied by sound, allowing visitors to experience how each of these properties impacts what we hear. Visitors also have the option of muting sound on the tutorial and may adjust the volume to their preference. As Comeau writes in his introduction, "[t]his guide is aimed at a general audience-no prior knowledge is required. It may be of particular interest to musicians, producers, and aspiring audio engineers, but it's designed to be accessible to everyone!"