Nah, I'm kinda reaching by calling them mini albums, but it's just easier that way.
For example, Yoona's Chinese album released two days ago is literally a compilation of her singing 3 Chinese lullabies (yes, they're literally chinese lullabies ), and is only released exclusively for digital site Alibaba Music in China (like Spotify for China).
Of course, things like that wouldn't count towards their album sales.
You should check the album out though.
They're really nice lullabies!
), and is only released exclusively for digital site Alibaba Music in China (like Spotify for China).