It was narrated from Salim that:
A poet praised Bilal bin 'Abdullah and said: "Bilal bin 'Abdullah is better than any other Bilal." Ibn 'Umar said: 'You are lying. The Bilal of the Messenger of Allah is better than any other Bilal.'" (ID)
English reference (ID): Vol. 1, Book 1, Hadith 152 (ID)
Arabic reference (ID): Book 1, Hadith 157 (ID)