Click the green flag and enjoy the music and the waveform. Best watched here: https://turbowarp.org/1326015656/fullscreen?fps=60
I revisited an old project and added an oscilloscope. I imported the Oscilloscope sprite from this project, and switched out the sound file and the WAV data (see the Instructions sprite to learn how to do it yourself): https://scratch.mit.edu/projects/1325936501/