Here's the IG video your Captain posted of the cruise thru Prins Christian Sund. https://www.instagram.com/reel/ChTCf8EouxB/?utm_source=ig_web_copy_link
Years ago as we were cruising in the fog in Alaska, I'd be on alert while doing my laps on the track for the slight "moan" that preceeded the horn sounding---especially when I was rounding the corner forward (Vision or Rhapsody OTS).