Some songs are just nice to listen to; some others, though, carry a strong message that goes straight to your heart. “You’re Not There”, by Lukas Graham, is an infinitely sad song whose lyrics tell a story of pain and loss. From the first time I heard it, it sounded like a heartfelt message from a son to a mother or father (or both) who died prematurely. Years later, the child talks to his missing parent, saying he …