Sentence:  So , for that matter , are the newer dances - the `` Kalmuk Dance '' with its animal movements , that genial juggling act by Sergei Tsvetkov called `` The Platter '' , the rousing and beautiful betrothal celebration called `` Summer '' , `` The Three Shepherds '' of Azerbaijan <WSD>hopping</WSD> up on their staffs , and , of course , the trenchant `` Rock ' n ' Roll '' . 
Meaning of the word marked with <WSD> tags:  jump lightly