Mystic Ballad is the second studio album by South Korean duo Davichi. The album was digitally released on March 18, 2013, with the physical release following on April 2, 2013. "Just the Two of Us" (둘이서 한잔해) served as the promotional single. The track "Turtle" was released as a digital single two weeks prior to the initial album release.

The release of the album was officially announced on January 21, 2013. Davichi expressed, "We’re going to be showing a lot of music that we’ve never attempted before through our second studio album in March. Please look forward to it." On February 27, 2013, the members of Davichi informed fans that the album would be released on March 18, 2013, and that they would be working with famous artists Duble Sidekick, Verbal Jint, Jung Suk Won and Ryu Jae Hyun. On March 3, 2013, Davichi pre-released the music video for the track, "Turtle", which featured 5dolls member Hyoyoung. The song quickly climbed real-time charts and placed #1 on South Korea's Gaon Single Chart. On March 18, 2013, the album, and music video for their title track, "Just the Two of Us" were digitally released to the public. Despite being left off the initial digital release, Davichi released the single "Be Warmed (feat. Verbal Jint)", as well as the accompanying music video, on April 1, 2013. The song was met with instant success in South Korea, and even managed to place number one on every single digital real time charting, obtaining the coveted 'all-kill'. The album was physically released to the public the following day.

The album is composed of twelve tracks; ten new songs and two instrumentals. The pre-released track list showed a tenth new song featuring Verbal Jint, which was not initially included on the digital release of the album. Davichi's own member, Minkyung, contributed to the album by writing the lyrics to "Things That Still Come Up in My Memory". Ryu Jae Hyun of Korean R&B group Vibe contributed to the album through the production of the promotional single "Just the Two of Us", as well as "Nagging". Famous producers Duble Sidekick, who are known for their work with Leessang, Baek Ji-young and ZIA, lent their help to the duo and produced the pre-release track "Turtle". Legendary producer Cho Young Soo contributed to the album by producing the first track "One Person's Story". Davichi has worked with Cho Young Soo in the past to produce their promotional single "Love and War" from the album Vivid Summer Edition.

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