@rplst8 posted:That's my favorite part of the Hippos and MTH H10s!
I especially like this version, and I'm hoping Lionel gets a license to use it in the L1s and I1s.
Best around the 1:30 to 2:00 min mark.
Now that is dang eerie. Talk about piercing, that will definitely wake your behind up if you are asleep, that much is certain.