‏الصيام : Hadeeth No:2536 Abu Sa'id al-Khudri (Allaah be pleased with him) reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) forbade to observe fast on two days the day of Fitr and the day of Sacrifice ('Id-ul-Adha)....

‏الصلاة : Hadeeth No:1729 This hadith has been narrated by Ibn Shihab with the same chain of transmitters with words:" As He listens to a Prophet reciting the Qur'an in a sweet voice."...