Nigun Shamil

Sufi Imam Shamil - Wikipedia.

On the subject of freedom and the Chechen Sufis, a 20 minute recording of Nigun Shamil.
An tntroduction by Rav Althus, history of the Nigun (all in Yiddish)
A musical version of the Niggun (I hate that one)
An explanation in light of Chasiddus by Rav Althus
A first recording of the Rebbe singing the Nigun
Rav Althus comments
A second recording of the Rebbe singing the Nigun during Farbrengen
P.S. Tzvi Freeman rendition: Shamil & My Guitar.
Sufism - Wikipedia.