This old heartfelt Niggun is said to be from the Alter Rebbe.
During the Farbrengen of the Chof Daled Teves 5723 (150 years since the Alter Rebbe’s Histalkus) the Rebbe asked that this Niggun be sung, saying that some are of the opinion that it is from the Alter Rebbe.
The Niggun is very similar to the Niggun of Becha Botchu and many confuse one with the other