https://www.youtube.com/watch?app=desktop&v=e8S1vFC8zYk I saw this in a Reddit thread and thought I'd save it for later.
Author: cafebedouin
কার ভাবে নদে এসে (Kar Bhabe Nade Ese) by নির্মলেন্দু চৌধুরী (Nirmalendu Chowdhury)
https://www.youtube.com/watch?v=ZWdLn9uK77g Song title translates as "Who knows to come to the river?
