Related Clues:

• It's heard at close of play
• Commercial office almost silent, making further note
• Extra reading matter tot gets to finish with hesitation
• Notice dirt raked up under study — that's extra
• Thing to be added
• Tailpiece - postscript
• Supplement to a book
• Short postscript
• Supplementary item in book, magazine etc
• Missing passage to be appended
• Postscript to play, book etc
• Piece added on
• Citation at the back
• You and the ego are mixed up with a pile at the end of the play
• Damn dude at the end is one for the books