Sahih Muslim Book 4, Hadith Number 907.

Chapter : Listening to the recitation of the Qur’an.

Ma’n reported.. I heard it from my father who said: I asked Masruq who informed the Messenger of Allah (may peace be upon him) about the night when they heard the Qur’an. He said: Your father, Ibn Mas’ud, narrated it to me that a tree informed him about that.