At a small Baku tea-house last winter, the tar player waited through three cups before touching the first string. The room had already made its contract: no hurried chorus, no tidy bridge, only Rast unfolding until the samovar hiss and the singer's breath sounded like part of the same phrase.
Improvisation is not looseness
Mugham carries a stern architecture under its ornament. A singer may bend the line toward Nizami or Füzuli, but the mode remembers its own gate, its own climb, its own return to earth. That tension is why Khan Shushinski still feels immediate on old recordings; the freedom is audible because the boundary is audible.