Ballroom dance has always been fluid, with new dances or folk dances being added to or removed from the ballroom repertoire from time to time, so no list of subcategories or dances is any more than a description of current practices. There are other dances historically accepted as ballroom dances, and are revived via the vintage dance movement. In Europe, Latin Swing dances include Argentine tango, mambo, Lindy Hop, swing boogie (sometimes also known as nostalgic boogie), and disco fox. One example of this is the subcategory of cajun dances that originated in Acadiana, with branches reaching both coasts of the United
Soviet ballroom dances dance is based on Russian folk tunes. It has a soft and smooth character, danced at medium tempo in 2/4 or 4/4 time. The recommended tunes are "Русский лирический" ("Russian Lyrical") or "Подмосковные вечера" ("Moscow Nights") Ballroom dance manuals of Soviet times list quite a few other Soviet dances promoted to counter the influence of the "Western way of life", created basing on folk dances of the peoples of the Soviet Union and Soviet Bloc: Soviet ballroom dances Competitions in Ballroom dancing in the former Soviet Union were held in three dance categories: "Standard dances", "Latin dances", and Soviet dances