A rayok (Russian: раёк, IPA: [rɐˈjɵk], lit.
"small paradise") was a Russian fairground peep show.
Performed using a box with pictures viewed through magnifying lenses, these were accompanied by lewd rhymed jokes.
The expression "to talk rayok", говорить райком, thus means to speak in a rhymed, humorous way, to patter.
When used as the title for a piece of music, rayok implies a scurrilous entertainment, as in: