Pilgrimmage (Hajj)
Bukhari :: Book 2 :: Volume 26 :: Hadith 618
Narrated Anas bin Malik:
The Prophet offered four Rakat in Medina and then two Rakat at DhulI lulaifa and then passed the night at Dhul-Hulaifa till it was morning and when he mounted his Mount and it stood up, he started to recite Talbiya.