Many listeners have been commenting that the track, composed by Lee Min Soo and lyrics written by Kim Ee Na, is noticeably similar to Nekta's "Here's Us", which was released in 2009.
Not only have some netizens compiled comparison clips of the two songs, but the phrase "IU The Red Shoes plagiarism?" has been climbing the ranks of search terms.
However, netizens and listeners remain divided on the issue, commenting, "All musical songs sound similar, but the two songs are very similar," "Maybe it's a sample? What is this, I hope someone explains soon," and "It's a common melody in swing jazz. I don't think it's a controversy."
Make up your own mind by listening to the comparison clip below, and let us know what you think about the supposed controversy.