Train Whistle Origin (My First One)
Channel: Kasey Leitch NEXT GEN
Date: 2023-05-25

The addition of Young Sheldon in the first half is obvious because that train is a BR Class 45 and they dubbed it with that whistle in a high pitch. That’s also why the fifth How These Trains Should Have Sounded (@T128Productions‘s series) should have the video’s link as well (https://www.youtube.com/watch?v=qBcPxOuGJjA, not THIS video’s link).