Sheikh Mishary recites Surah Al-Ikhlaas ten times, each time using a different one of the ten recitation school recognized by Muslim scholars. Each of the ten recitation has an isnaad (narration chain) up to the Prophet PBUH. In addition, these isnaads come through twaatur (i.e. it was related by so many trushworthy people down the isnaad chain to the Prophet Muhammad PBUH.) The recitation differ in the vocalization of few words or letters.