I can see that he finds it difficult to sing too.... and some of us.. or many of us.... are the same too.... I couldn't sing a song with my brother year... cos that is my father's favourite song... I couldn't listen to him without breaking myself. I had to walk away. I also realised, why he had to leave us too... when we were youngers. Sometimes, when you love somebody too much... you can't.... you have to give them space. Cos you're too into the emotion. I suppose this is why we listen to somebody else sing....