When was the song “Hello” released by 마마무?

The song Hello was released in 2018, on the album “Blue;S”.

Who composed the song “Hello” by 마마무?

The song “Hello” by 마마무 was composed by Yong Sun Kim.

Yong Sun Kim

Mamamoo
We would like to welcome you
화사한 문별이 솔라 and 휘인
Ba-ba-ba-bang, bang uh

Mamamoo (da la la la)
We would like to say hello (say hello)
Delicate sun and moon
We are Mamamoo

When was the song “Hello” released by 마마무?: The song Hello was released in 2018, on the album “Blue;S”.
Who composed the song “Hello” by 마마무?: The song “Hello” by 마마무 was composed by Yong Sun Kim.