Tradycyjny chiński dom rozrywki, żeby nie powiedzieć "uciech". "Sing-song girl" to kurtyzana - ale w stylu japońskiej gejszy: umilająca klientowi czas śpiewem, grą na instrumentach, czy konwersacją.
Tutaj o "sing-song girl" (ghee niu):
"Painted generously, scented extravagantly and arrayed in attractive if rather extreme versions of the prevailing Chinese mode, the ghee niu is borne by her ricsha coolie to the scene of her professional activities, shortly after the shades of evening have fallen. Most of her engagements are made by appointment and she entertains her guests in various ways; by singing, by reciting, playing upon Chinese musical instruments or participating in card, finger or mah jong games. Finger games are very popular, possibly because they give onlookers a chance to vicariously enjoy the game. by kibitzing, wise-cracking and howling uproariously at every play. Two people play, each thrusting one hand out with any or all of the five fingers upraised. Alternately, each player calls out a number from one to ten with each thrust. If the total of fingers upraised from the hands of both players equals the number called, the person who has called the number wins the bet. Good clean fun, considering everything."

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Note added at   1 godz. (2013-07-29 16:09:35 GMT)
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I jeszcze:
"The geisha and the sing-song girl are professional entertainers. They are not bad girls, but the average tourist has that misconception of them. If some of them are bad in the sense you mean, it is because there are bad folks in all walks of life. They sell only their talents, not their bodies; they are not girls of the street"
http://english.stackexchange.com/questions/94440/is-geisha-g...