The cry of “get it lifted!” that opens their 2016 debut single, “Fire Truck,” makes it clear: NCT 127 are here to party. The group is part of SM Entertainment's pan-Asian Neo Culture Technology boy-band network, repping Seoul with the 127 numeral (i.e., the city's longitude coordinate). Their thumping beats often wield a heavy edge, as on “Limitless,” where their vocalists' angelic tones pierce like sunlight through ominous EDM and trap storms. But “TOUCH” shows they have a more chill, romantic side, as expressed through a head-nodding hip-hop tempo and louche, half-sung rap verses.