Shri Raheem Charitam. Vol III Book VII Chp 14 Shlokas 6 - 8
हुसेन इति विखयातस्तुरुष्ककुलासंभावः|
आसीन्महात्मा गोविन्दे प्रेमभक्तिसमन्वितः ||
स महात्मा प्रतिप्रामं चरन् भिक्षामटन् मुदा ||
गोविन्दकीर्तनं चक्रे शमादिगुणसम्युतः ||
तस्य दर्शनमात्रेण जनाः सर्वे पवित्रिताः |
श्रीकृष्णकीर्तने श्रद्धां संप्रापुः सुदृधां कलौ ||
There was an exalted personality called Hussain. He was a muslim and had great perm Bhakti towards Shri Govinda. He had all noble qualities like humility. That noble man was wandering on this earth, getting alms, all the time engaged in Govinda kirtan. All the people were purified even by one look at him in this Kaliyuga. They also developed firm faith in the value of Krishna kirtan