I mua i te whakauru ki a Playback, e toru nga tau a Woolim i noho hei kaiwhakaako i raro i te JYP Entertainment. I muri mai ka rongonui ia i muri i te riipene ataata o tana ahua i runga i te whakaaturanga waiata ngaro a Mnet's I Can See Your Voice, i reira i whakatangihia ai e ia te Ariana Grande's <unk>Problem,<unk> i haere viral. I tukuna e Playback ta raatau pukaemi tuatahi o te ingoa kotahi me tana ingoa ingoa o te ingoa kotahi i te Pipiri 25, 2015. E toru marama noa i muri mai, i kii te roopu e whakamahere ana ratou ki te tuku i tetahi pukaemi kotahi hou i te Mahuru 2. Ko te ingoa o te pukaemi, "I Wonder", i whakaatuhia e te kaiwaiata rongonui me te kaihauturu a Eric Nam. I aro atu te waiata ki te hunga papaho na te whakauru o te roopu whakaputa rongonui o Norway, ko te Cee GreenLoq, Musiq Soul, me Mad Child.
Te raruraru