After successfully releasing an MV for "Callin" recently, A.C.E have now unveiled a dance practice video for the track. The boys look absolustely focused in perfecting each movement of the choreography as they are drenched in sweat. What's more, this appears to be the very original choreography version before some changes were made. Check out the clip above!

How are you liking A.C.E's "Callin"?