Solution: Spectrogram
Answer: EXPLORER

Written by Caleb Hostetler

As implied by the title, all that needs to be done is to put this .wav file into a spectrogram (a program that displays frequencies with respect to time). Here is the file viewed in Audacity's spectrogram:

EXPLORER displayed in spectrogram


Author’s Notes

For this puzzle, I was inspired by Jacob Collier's 2021 New Year's Video. I wanted to see if I could make one of my own into a puzzle! I got some very nice comments about how catchy the beat was :)