1) CBC Television show 2) Party 
===Encryption scheme=== This scheme is based on the ElGamal encryption. ...
(from the article `Scotland`) One traditional local custom is the ceilidh (visit), a social occasion that includes music and storytelling. Once common throughout the country, the ...
A ceilidh is a Gaelic festival of singing and dancing held in Scotland and Ireland.
[n] - (Scotland or Ireland) an informal social gathering at which there is Scottish or Irish folk music and singing and folk dancing and story telling
noun an informal social gathering at which there is Scottish or Irish folk music and singing and folk dancing and story telling
a party, gathering, or the like, at which singing and storytelling are the usual forms of entertainment.