The call to prayer (adhan) in a dream.(1)

This is more authentic than the hadith of Ibn Abi Layla, and 'Abd al-Rahman ibn Abi Layla did not hear (directly) from 'Abd Allah ibn Zayd.

Some of the people of knowledge said: The adhan is (repeated) two by two, and the iqamah is (repeated) two by two. This is the view held by Sufyan al-Thawri, Ibn al-Mubarak, and the people of Kufa.

Ibn Abi Layla: He is Muhammad ibn 'Abd al-Rahman ibn Abi Layla, who was the judge of Kufa. He did not hear anything from his father, except that he narrates from a man, from his father.(2)

30 - Chapter: What has been reported regarding taking one's time (tarasul) in the adhan

193 - Ahmad ibn al-Hasan narrated to us, he said: al-Mu'alla ibn Asad narrated to us, he said: 'Abd al-Mun'im — and he is the companion of the water-skin — narrated to us, he said: Yahya ibn Muslim narrated to us, from al-Hasan and 'Ata' —
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= "al-Ashraf" 4/344, and it is likewise established in this narration of Shu'bah as transmitted by other than the author, as will come in its citation, except that in it occurs: "Our companions narrated to us" instead of: "The companions of Muhammad, peace be upon him, narrated to us."

(1) This narration of Shu'bah was cited by Ibn Abi Shaybah 1/204, Abu Dawud (506), and Ibn Khuzaymah (383) via multiple paths from him, from 'Amr ibn Murrah, with this chain of transmission, except that they said: "Our companions narrated to us" in place of: "The companions of the Prophet, peace be upon him, narrated to us." Its chain is authentic.

(2) From his saying: "Ibn Abi Layla" to here is not found in (A), (B), (D), (Z), and (S), and it is established in (L) and in copies in the margins of (A), (B), and (S), and in the commentary of Ibn Sayyid al-Nas.