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：冰桶挑戰的起源是什麼？ 答：冰桶挑戰最早起源於2014年，由前棒球運動員皮特·弗蘭斯（Pete Frates）等人發起，目的是為了提高對ALS的認識和籌款。