常見問題：
問：Q4: What genre of music does "Fly to the Sky" specialize in? 答：A4: Fly to the Sky is known for their R&B and soulful ballads.
問：Q9: Are there any notable collaborations by "Fly to the Sky" with other artists? 答：A9: Yes, they have collaborated with various artists, including Epik High and Wheesung.
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。