Train Squeals Going Around A Curve, When 2 Trains Meet: Vlogmas Day 17

To my knowledge, I haven't posted this video on YouTube. I arrived at an Indiana Harbor Belt local train shoving cars in a yard. When it went around the curve, the train squealed harshly. The comments told me that was the flanges squealing.
I arrived to get a manifest train and a CSX intermodal joined the chat