• "Scarlet Heart: Goryeo" will air every Monday and Tuesday night on SBS starting Aug. 29.

"Scarlet Heart: Goryeo" will air every Monday and Tuesday night on SBS starting Aug. 29. (Photo : Getty Images/VCG)

Girls' Generation member Taeyeon will record the original soundtrack for the highly anticipated period drama series "Scarlet Heart: Goryeo," official broadcasters reveal.

Taeyeon is taking a break from her busy group and solo activities to record the OST for "Scarlet Heart: Goryeo," which stars IU and Lee Joon Gi. According to Soompi, an unnamed source stated that "many other singers will be participating in the OST along with Taeyeon."

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This won't be Taeyeon's first OST for a drama series, as she previously recorded soundtracks for shows such as "Beethoven Virus," "Athena: Goddess of War," "That Winter, the Wind Blows" and "You're All Surrounded." All of her songs did well on the charts, thus expectations are running high for her "Scarlet Heart: Goryeo" OST.

"Scarlet Heart: Goryeo" tells the story of Hae Soo, a modern-day girl who travels back in time to the Goryeo dynasty during an eclipse. She then meets the dashing princes in the palace, but develops a particular fondness for the fourth prince, Wang So, played by Lee. A romantic relationship blossoms between Wang So and Hae Soo despite the internal conflict and struggle within the palace.

The drama also stars Kang Ha Neul, Hong Jong Hyun, Nam Joo Hyuk, Yoon Sun Woo, Ji Soo and EXO's Baekhyun.

All 20 episodes of "Scarlet Heart: Goryeo" are pre-produced, and the show will premiere after SBS' "Doctors" wraps up on Aug. 29.

Meanwhile, Taeyeon recently set a new milestone with her "Butterfly Kiss" concert, becoming the first artist active in a girl group to successfully stage her own solo concert. Around 6,000 fans gathered at the two-day event, which was held at the Olympic Park in Seoul.

She performed 22 songs, which includes tracks from her solo albums, Girls Generation hits and drama series OSTs.

"I have so many songs that I want to sing to you. Life would throw in many hardships, but I wish I could be your rainbow after a shower, and stay as your Taeyeon forever," Yonhap News quoted the singer as saying after performing in front of her fans at the event.

"Scarlet Heart: Goryeo" will air every Monday and Tuesday night on SBS starting Aug. 29.