# "Swing" is originally by Canadian singer Georgia Murray and its original is named "We'll Never Know" which samples a Greek song "To Treno Fevgi Stis Okto" (English: The Train Leaves at Eight O'Clock) by Mikis Theodorakis.
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# "Feel the Same" is originally by Canadian singer Melanie Durrant and its original is identically named "Feel the Same".
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After it had been found out that 7 of the songs on Lee Hyori's H.logic were plagiarized there was an interview with one of the members of Bahnus Vacuum who said that he felt betrayed and disillusioned, he added "We lost everything, everything is over."