▁test ▁of ▁their ▁ability ▁to ▁pick ▁up ▁professional ▁ch ore ography . ▁ ▁Call back s ▁The ▁second ▁stage ▁of ▁the ▁selection ▁process ▁is ▁referred ▁to ▁as ▁" the ▁callback s " ▁( this ▁round ▁was ▁referenced ▁as ▁" V eg as ▁Week " ▁for ▁much ▁of ▁the ▁show ' s ▁run , ▁as ▁it ▁was ▁held ▁in ▁Las ▁Veg as , ▁but ▁has ▁been ▁called ▁Academy ▁Week ▁since ▁season ▁ 1 3 ). ▁ ▁The ▁callback s ▁consist ▁of ▁a ▁several - day - long ▁process ▁in ▁which ▁the ▁remaining ▁hope ful s ▁are ▁tested ▁for ▁overall ▁well - r ounded ▁dance ▁ability , ▁stam ina , ▁cre ativity ▁and ▁their ▁ability ▁to ▁perform ▁under ▁pressure . ▁The ▁d anc ers ▁are ▁put ▁through ▁a ▁battery ▁of ▁r ounds ▁that ▁test ▁their ▁ability ▁to ▁pick ▁up ▁various ▁dance ▁styles ; ▁these ▁are ▁typically ▁some ▁of ▁the ▁more ▁well - re present ed ▁gen res ▁that ▁are ▁later ▁prominent ▁in ▁the ▁competition ▁phase , ▁such ▁as ▁hip - h op , ▁jazz , ▁ball room , ▁and ▁contemporary . ▁ ▁Additionally ▁the ▁d anc ers ▁may ▁be ▁asked ▁to ▁perform ▁further ▁sol os ▁in ▁styles ▁of ▁their ▁choosing ▁and ▁particip ate ▁in ▁a ▁group ▁ch ore ography ▁round ▁in ▁which ▁small ▁teams ▁of ▁contest ants ▁must ▁display ▁their ▁musical ity ▁and ▁ability ▁to ▁communicate ▁profession ally ▁by ▁ch ore ograph ing ▁a ▁performance ▁to ▁a ▁randomly ▁selected ▁piece ▁of ▁music ▁— ▁this ▁challenge ▁is ▁notable ▁as ▁being ▁the ▁only ▁time ▁compet itors ▁are