SEOUL, Nov. 12 (Yonhap) -- Solar, a member of K-pop girl group MAMAMOO, will release her new single "To My 20s" at 6 p.m. Thursday, her agency RBW said.

The new song, which Solar participated in writing and composing, is like a letter to her younger self in her 20s.

Looking back on the times she worked tirelessly to pursue her dreams, the song offers words of comfort, reminding listeners that "it's OK to take things a little more slowly."

Singer-songwriter Harim contributed harmonica performances to the track.

"This is a message I want to share with everyone navigating a difficult and demanding society," Solar said.

"I hope that, while listening to this song, people can offer warm words of comfort to themselves after having pushed forward without rest."

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