The music room of Topkapi. The women of the harem were not only selected for their beauty but for their talent as well as the whole orchestra had to be women. The harem was guarded by black eunuchs who were not actually allowed into the harem. That the guards must be eunuchs was understandable since the sultan wanted no hankey-panky. The further requirement that they be African was insurance. A black baby showing up in the harem meant the surgery didn't take or someone was holding out on the royal family.