The Niggun הוא אלוקינו From Chazzan Dovid Caytak

The Niggun הוא אלוקינו, was taught by the Rebbe during the night of Simchas Torah תשכ”ד . It was the last niggun that the Rebbe taught on Simchas Torah.

It was sung by R’ Yechiel the Chazzan in Rostov in front of the Rebbe Rashab and the Frierdike Rebbe.