 The fourth member, Yoomin was added to the group in October 2014.On December 26, 2018, it was confirmed that all four members decided to not renew their contracts with Cre.ker Entertainment, ultimately ending the group.Melody Day started their career as a trio in 2012, featuring on soundtracks for dramas such as "Bridal Mask", "Cheongdam-dong Alice", "Missing You", "My Daughter Seo-young", "The King of Dramas", "I Can Hear Your Voice", "Master's Sun" and" Pretty Man".