Shahbaz qalandar is sufi poet and saint . This Qawwali written by Amir khusro in 13th century and modified by bulahshah he added ali element and most important thing in it to makes it beautiful then again it modified by Nazir ali in 1969 and sung by Noor jahan after this The legend Nusrat Fateh Ali Khan also sung this.Sufi writters such a real legends 🛐
One more thing 2 and half qalandar in this world 🌍, 1st qalandar is Ali a,s, 2nd qalandar Shahbaz qalandar and half qalandar is Rabia Basri qalandar ❤❤