Musikforschung, Staatliches. 2012. Chain Of Pure Major 3Rds & Quarter-Tone Between D♯ And E♭. https://www.youtube.com/watch?v=devw0fWeYmE.
Studio31, Musikakademie. 2017. First Rehearsal With Vocal Ensemble And Arciorgano. https://youtu.be/hw-nnPobsaU.
Turner, Steven. 2012. “Introduction To Tuning Forks From The National Museum Of American History”. Smithsonian National Museum of American History. https://youtu.be/arP0Jq35dws.
2012. “Demonstration Acoustic Siren”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=Rs7CC4pdJeM.