Octave Frequency Sweep, Consonance & Dissonance - A220 Sine Wave
Why the open web links it
Demonstrates consonance and dissonance through a frequency sweep of two sine waves across an octave.
Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including wikipedia.org, bme.hu.
Cited in 2 Wikipedia articles, including Consonance and dissonance, Scale (music).