Whoever missed the singer is a book by Al -Thaalabi Al -Nisaburi. A book in poetic choices, which is considered the tail of the book of Al -Thaalabi (the best of what I heard) to the agreement of the two books in the curriculum, subject and style, and to open most of his chapters by saying: (The best of what I heard about this) and what is meant by the book of the book: Whoever is absent from a singer who sings for him and suffices with this book to sing and sing with what In it, Al -Thaalabi said in his introduction: "This is a book that includes the merits of the words and the deposits of the accent meanings ...