Great Pakistani Qawwali singer Nusrat Fateh Ali Khan singing multi-faith song - Koi Bole Ram Ram Koi Khudaye

The great Pakistani qawwali singer, Late Nusrat Fateh Ali Khan sahab and party singing a variation of multi-faith song whose authorship is attributed to Guru Nanak (founder of Sikh religion): (only audio) https://www.youtube.com/watch?v=66CdTLhMuwk, 13 min. 49 secs. The song is titled "Koi Bole Ram Ram Koi Khudaye" which means some say Ram Ram (Hindus who worship Rama) and some say Khuda (Muslims who worship Allah referred to as Khuda).

Here's a video of Nusrat Fateh Ali Khan sahab and party singing it live in a Gurudwara (Sikh place of worship) in 1989 (the video and audio quality is middling): https://www.youtube.com/watch?v=88QkKR5WvIo, around 30 mins.

Here are the lyrics with English translation of the original song: http://forum.spiritualindia.org/sai-baba-videos-and-audios/koi-bole-ram-ram-koi-khudae-(with-lyrics-meaning)/. Note that Nusrat Fateh Ali Khan has added some words of his own in the renditions mentioned above.
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Young Sikh singers giving their soulful rendition of Guru Nanak's Koi Bole Ram Ram Koi Khudaye, https://www.youtube.com/watch?v=yr6Y3gzjAu4, around 12 mins. Video is mixed with nice pics of places and scenes of worship.
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Contemporary Indian Sufi singers singing Koi Bole Ram Ram Koi Khudaye, https://www.youtube.com/watch?v=mT_P3iYo3k8, around 9 mins.
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A young contemporary group of USA based (Texas state it seems) Qawwali singers of South Asian origin (India, Pakistan, Bangladesh and Afghanistan), singing Koi Bole Ram Ram Koi Khudaye, https://www.youtube.com/watch?v=CX2zwHjXgrI, around 10 mins.

Here's their about ensemble page on their website: http://www.riyaazqawwali.com/about-us/ . Going by the names of the ensemble, they are of different faiths - Hindu and Muslim and perhaps Sikh and Christian.

And here's their song in the background with pics and short video clips of our beloved Bhagavan Sri Sathya Sai Baba and Sai Kulwant Hall, Prasanthi Nilayam: https://www.youtube.com/watch?v=CGNPZfbn75o, around 10 mins.
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