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
Saikyō Line are three types of trains on the Saikyō Line: all-stations , , and . Between Akabane and Ōmiya, Rapid trains stop only at Toda-Kōen, Musashi-Urawa and Yonohommachi, while Commuter Rapid trains, which run during rush hours, stop only at Musashi-Urawa. Between Akabane and Ikebukuro, as well as on the Kawagoe and Rinkai lines, all trains stop at all stations. Between Ikebukuro and Osaki on the Yamanote Freight Line, all trains run limited-stop in both directions, with the Yamanote Line providing all-stations service. Services on the Saikyo Line, Kawagoe Line, and Rinkai Line are operated by a fleet of 31 10-car