Square dance square dance, very rarely are two modern Western dances ever alike. Like traditional square dancing, recovering from occasional mistakes is often part of the fun. Dancers are encouraged to dance only those programs at which they are reasonably proficient, the default level of achievement being the Mainstream program. All programs are set by Callerlab, the callers' international association, which also governs the training of callers. Irish and Scottish dances are normally done to traditional tunes. English dances may be done to traditional tunes, though, especially at ceilidhs, there is experimentation with many different musical styles. The two types of American
Irish Terrier 7th Edition: They are described by an old Irish writer as being the poor man's sentinel, the farmer's friend, and the gentleman's favourite...These dogs were originally bred not so much for their looks as for their working qualities and gameness, the Irish Terrier being by instinct a thorough vermin killer. They were formerly of all types and of all colours – black-and-tan, grey-and-brindle, wheaten of all shades, and red being the predominant colours. Colour or size evidently did not matter if they were hardy and game." The proper selection process of the breed began only in the latter 19th century.