Korean singers Eddy Kim (left) and Solar from girl group Mamamoo. (Mystic Entertainment/RBW)

Korean singer-songwriter Eddy Kim has released a new single entitled "Coffee & Tea," featuring female K-pop singer Solar from girl group Mamamoo.

The single, produced by popular composer Kim Do-hoon, is the first track that Eddy Kim has not personally written or composed since his debut in 2012.

Kim Do-hoon previously featured on songs "Masterpiece of You" by Wheesung, "Beautiful Day" by G.NA and Sanchez and "Love You More Than Ever" by Juniel.

Music composer Kim Do-hoon (left) and Eddy Kim. (RBW/Mystic Entertainment)

"Coffee & Tea" will be included in the fourth edition of the project album "Dokkun Project" by Kim Do-hoon. The track is Eddy Kim's third duet with a female singer, following BoA and Lim Kim.

The track will be released online on May 28 at noon.

Eddy Kim is currently promoting his second EP "Sing Sing Sing," which dropped on Jan. 21. He is scheduled to hold his solo concert "Let's Sing Sing Sing" on Friday and Saturday at Understage in Itaewon, Seoul.

By Yoon Sarah (sarah356@heraldcorp.com)