Isra'il bin Yonus bin Abi Ishaq إسرائيل بن يونس بن أبي إسحاق · The Book of Funerals

"Abu Musa fell unconscious and they wept for him. He said: 'I say to you the words of disavowal that the messenger of Allah said: He is not one of us who shaves his head (as a sign of mourning), rends his garments, or raises his voice in Lamentation."'