Only the singer knows the meaning of the song

Storycodes: S., I feel I owe you an explanation as to why I have not mentioned in my final report the existence of the enclosed journal. It’s undoubtedly his, as I’m sure you’ll agree when you see the hand-writing. As a professional private investigator I’m at a loss as to why I have not made reference to it in the report, which I know you intend to share with his family. Maybe that’s the reason. ...