the Iraqi scholars and the early Khurāsānīs did not mention any disagreement on the matter.
As for unaccompanied singing, it is prohibited according to Abū Hanīfa and Mālik. This is also one of the two positions in the schools of al-Shāfi‘i and Ahmad, while another report from each holds that it is disliked. A group of Ahmad’s companions held that unaccompanied singing is permissible. If this position is correct, no harm is done; and if it is false, the majority of Ahl al-Sunnah hold that it is prohibited. Thus, the truth has not departed from Ahl al-Sunnah.
[Chapter on the Rāfidī’s claim, “The Second Reason Why Adherence to the School of the Imāmiyya Is Obligatory Is That It Is the Saved Sect,” and the response to it]
Chapter (1)
The Rāfidī (2) said: “The second line of evidence (3) for the obligation to follow the school of the Imāmiyya is the following statement (4) of our shaykh, the supreme imam (5), Khwāja Muhammad ibn al-Hasan al-Tūsī, Champion of the Community, Truth, and Faith (6)—may Allah sanctify his soul. I asked him (7) about the various schools, and he replied:
‘We investigated them and the statement of Allah’s Messenger—may Allah bless him and grant him peace—(8): “My community will split into seventy-three sects: one of them will be saved (9), while the rest will be in the Fire” (10). He also identified