Anim Zemiros (224)

The Lubavitcher niggun for Adon Olam is well known, but the origin is not.

It's originally a Nikolayever niggun with the words Anim Zemiros (224).

Reb Zalman Levin Heard this niggun in nevel. When Reb Zalman was a Melamed in Cheder, he needed a niggun for Adon Olam, so he put to this niggun.