Complex sentence: In 2012,'Night And Day', cover of the Cole Porter song was published on YouTube, in which she is using a pair of animal glove, which was going to be emblematic of the'Beauty Sleep' artwork/films.
Split into simpler sentences: In 2012,'Night And Day', cover of the Cole Porter song was published. She is using a pair of animal glove, which was going to be emblematic of the'Beauty Sleep' artwork/films.