I asked Anas, "How did the Messenger of Allah ﷺ recite?"He replied, "He used to draw out his voice with prolonged elongation."
حدثنا بهز حدثنا جرير يعني ابن حازم قال سمعت
قلت لأنس كيف كانت قراءة رسول الله ﷺ قال كان يمد صوته مدا
Its isnad is sahih, mentioned previously at 12281.