There is something about an overtly haunting song that speaks to me; the depth of emotion, the lyrical imagination, and the physical manifestation of them is far more intriguing than any other presence in music. “No Quarter” by Led Zeppelin falls lovingly into that category.
Below is the approximately 20 minute version performed May 24, 1975 @ Earls Court. Pt. 2 & 3 after the cut.