Arabic Text
حَدَّثَنَا مُسْلِمُ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا جَرِيرُ بْنُ حَازِمٍ الأَزْدِيُّ، حَدَّثَنَا قَتَادَةُ، قَالَ سَأَلْتُ أَنَسَ بْنَ مَالِكٍ عَنْ قِرَاءَةِ النَّبِيِّ، صلى الله عليه وسلم فَقَالَ كَانَ يَمُدُّ مَدًّا.
English Translation
Narrated Qatada: I asked Anas bin Malik about the recitation of the Prophet. He said, "He used to pray long (certain sounds) very much.
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.