常見問題：
問：4. Q: What was Secret's debut song? 答： A: Secret's debut song was "I Want You Back," released in 2009.
問：7. Q: Has Secret released any albums? 答： A: Yes, Secret has released several albums, including "Moving in Secret," "Secret Time of the Day," and "Letter from Secret."
問：Q3: How many members are there in the Korean boy band "GOD"? 答：A3: The Korean boy band "GOD" originally had five members: Park Joon-hyung, Son Ho-young, Kim Tae-woo, Danny Ahn, and Yoon Kye-sang.