The release schedule is as follows:
February 10 - Taeyeon and Jonghyun's duet "Breath" (Korean version)
February 11 - Jonghyun and Chen's duet "One Day"
February 12 - Taeyeon's solo "Set Me Free" /
February 13 - Chen and Krystal's duet "The Good and Bad" ("When I Was When U Were") / Yesung, Zhoumi's "I Was Greedy" ("Blind") / Chinese (Chen and Zhang Li Yin) and Japanese (Changmin and Krystal) versions of "Breath"
Taeyeon and Jonghyun will perform "Breath" for the first time on 'M! Countdown' on the 13th. Chen and Zhang Li Yin In will also perform the Chinese version of "Breath" on the live broadcast of Chinese Hunan TV's 'Element of Joy' on the 14th at 8 PM.
Following all the individual and online releases, SM The Ballad's 2nd album 'Breath' will be released on the 13th!