Allah does not listen as attentively to anything as He listens to a prophet with a melodious voice chanting the Qur’an audibly. [Al-Bukhari]
«ما أذنَ الله لشيء ما أَذِنَ لنبي حسن الصوت يَتَغَنَّى بالقرآن يجهر به». [متفق عليه]