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Girl group Mamamoo WHEE IN has succeeded in making the music chart all-kill with its new song "GOOD BYE."

While WHEE IN released its second solo album "Soar" on various music sites on Sept. 4, the title track "GOOD BYE" currently ranked first in seven major music charts, including Melon, Genie, Bugs, Mnet, Olleh Music, Soribada and Naver Music.

With this, WHEE IN swept the top music charts with "Anymore" released in March 2017 and launched another occupation of the music charts with its new song "GOOD BYE," signaling the return of trusted and heard music strongmen.

In particular, the two, who drew attention even before the album's release due to the meeting of emotional people, are showing all-time synergy by continuously releasing songs about separation.

The title track "GOOD BYE" is a song that captures the feelings of one person who has no choice but to say "Let's end up breaking up" after countless considerations, and WHEE IN's soft but hard vocals conjure up moments of separation as a Buddhist temple.

In particular, WHEE IN's outstanding singing and emotional delivery power, which gently digest explosive high-pitched sounds, shines and multiplies sad sensibility.

As such, WHEE IN is building its own color by showing off its side as an emotional vocalist, which is different from when it was in the group, attention is also drawn to future activities.

Meanwhile, WHEE IN's second solo album "Soar" is available on various music sites as well as offline music stores.