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：5. Q: Did Secret win any awards for their debut song? 答： A: Yes, Secret won the Newcomer Award at the 2009 Mnet Asian Music Awards for their debut song.
問：6. Q: What is Secret's most popular song? 答： A: Secret's most popular song is "Poison," which was released in 2014 and became a huge hit in South Korea.