As if to thank Fans for her win at the '2014 MAMA', IU gepostet on her Twitter, "I'm happy. It's all thanks to you. This is a present." She then provided the link to the audio heard above, which avid Fans of the singer may recognize it to be the full version of the Zurück snippet she let Fans hear on a Fan community page.
IU, of course, wrote and composed the song herself, so make sure to give it a listen above!
(link)
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