Super Junior Dong Hae released his first solo single "Harmony" in 16 years since his debut.

On Feb. 23, Dong Hae released his digital single album "Harmony" and the title track "Harmony" of the same name, which is expected to receive a good response from music fans.

Written and composed by Dong Hae himself, "Harmony" is a song in the genre of "Black Gospel," featuring traditional quire sounds and rich brass arrangements. "Black Gospel" means gospel sung by black people and forms the basis for black music such as modern R&B, jazz, and blues.

The new song "Harmony" was completed with rapper BewhY, which can even feel the charm of hip-hop. This harmony is expected of rap of smooth vocals and the trendy BewhYi and Donghae.

In addition, on his YouTube channel and Super Junior's official SNS on Feb. 12, Dong Hae released the video of "DONGHAE Documentary "HARMONY" Intro, which contains the album's work piece. Various promotional contents such as new album teaser images, documentary teaser videos and main episodes were removed sequentially from February 13.