Sahl ibn Ziyad, from Muhammad ibn Isma'il, from Muhammad ibn 'Udhaafir, from Ishaq ibn 'Ammar, from Abu 'Abdillah عليه السلام, said: Imam عليه السلام said: "Condolences (ta‘ziyah) are only at the grave, then they should disperse. No new event occurs concerning the deceased such that they would hear a sound."