常見問題：
問：Q6: Have "Fly to the Sky" members participated in acting? 答：A6: Yes, both Hwanhee and Brian Joo have ventured into acting in addition to their music careers.
問：Q7: Did "Fly to the Sky" disband or are they still active? 答：A7: Fly to the Sky did not disband but went on hiatus in 2009 when the members pursued solo careers.
問：冰桶挑戰的目的為何？ 答：冰桶挑戰的主要目的是提高對肌萎縮性側索硬化症（ALS）的認識，並為相關的研究和治療籌集資金。