Volume 9 · Book 93 · Hadith 634
Narrated Abu Huraira: that he heard the Prophet saying, "Allah does not listen to anything as He listens to the recitation of the Quran by a Prophet who recites it in attractive audible sweet sounding voice."
— Sahih Bukhari, Volume 9, Book 93: Oneness, Uniqueness of Allah (Tawheed), Hadith #634