midnight
`` How long will it be before I can play to the gentlemen you 're going to take me to ? '' he asked wistfully . `` I think you 'd better have a little rest before you play to them , Josef . You 've been working very hard ; up at five , to bed at midnight ! '' Von Barwig noticed that Josef 's face was peaked and white , but his great black eyes looked appealingly at his master . `` But I must play to them ; they 'll give me money and I can give the money to father . Then he 'll believe me , and he 'll believe you , '' said the boy in a tearful voice .