B1A4‘s main vocalist and MBC Starry Night DJ — Sandeul lends his beautiful voice once again for a new K-Drama OST. His new song 날아올라 (Fly Out – literal translation) is an OST of the ongoing K-drama ‘The Secret Life of My Secretary’. The drama tells about the story of a cold-hearted boss who find … Continue reading B1A4’s Sandeul lends his voice for ‘The Secret Life of My Secretary’ OST