출처 : 유튜브, ThePianoGuys, 2016. 9. 19, https://www.youtube.com/user/ThePianoGuys Story behind the song: We’ve all had that phone call. That email or that message. That conversation. Bad news. We’re all struggling with something – a debilitating weakness or illness. Or someone we love is barely holding on. We watch the news. We see the tweets, the Facebook pos..