[Machine] We sought the knowledge of the oud that is in the Maqam of the Imam, but we were unable to find anyone who could tell us anything about it. Musab bin Malik reported to me that Muhammad bin Muslim bin Al-Saa'ib bin Khabbab, the owner of the small room, sat with me one day and said, "Do you know why this was made?" I did not ask him about it, so I said, "No, by Allah, I do not know why it was made." Anas bin Malik then said, "The Messenger of Allah ﷺ used to place his right hand on it and then turn to us and say, 'Straighten your rows and make them well-aligned.'"  

طَلَبْنَا عِلْمَ الْعُودِ الَّذِي فِي مَقَامِ الْإِمَامِ فَلَمْ نَقْدِرْ عَلَى أَحَدٍ يَذْكُرُ لَنَا فِيهِ شَيْئًا قَالَ مُصْعَبٌ فَأَخْبَرَنِي مُحَمَّدُ بْنُ مُسْلِمِ بْنِ السَّائِبِ بْنِ خَبَّابٍ صَاحِبُ الْمَقْصُورَةِ فَقَالَ جَلَسَ إِلَيَّ أَنَسُ بْنُ مَالِكٍ يَوْمًا فَقَالَ هَلْ تَدْرِي لِمَ صُنِعَ هَذَا؟ وَلَمْ أَسْأَلْهُ عَنْهُ فَقُلْتُ لَا وَاللهِ مَا أَدْرِي لِمَ صُنِعَ فَقَالَ أَنَسٌ كَانَ رَسُولُ اللهِ ﷺ يَضَعُ عَلَيْهِ يَمِينَهُ ثُمَّ يَلْتَفِتُ إِلَيْنَا فَقَالَ اسْتَوُوا وَاعْدِلُوا صُفُوفَكُمْ