Qataadah Radiyallahu'Anhu reports:
"I inquired from Anas Radiyallahu 'Anhu: 'How was the recital of Rasulullah Sallallahu 'Alayhi Wasallam ?' He replied: 'He recited (The words of madd) with a madd'". (JA)
English reference (JA): Book 43, Hadith 298 (JA)
Arabic reference (JA): Book 44, Hadith 315 (JA)