*2nd Generation dance. A dance that developed and was disseminated in a non-traditional way. 2G dances are specific – have a fixed format designed to correspond with the arrangement of a particular recording., whereas 1G dances are generic – have a shorter sequence that works with live music – where many different songs are played and arrangements vary according to the tastes of musicians and dancers. For more on the differences between 1st & 2nd G dances click here.
See:https://folkdancefootnotes.org/dance/dance-information/ballroom-kolos-serbia-croatia/
Folkdance Footnotes 