Mahbubul Haque Khan (28 February 1950 - 5 June 2011), best known as Azam Khan, was a Bangladeshi singer-songwriter, record producer, and lead singer for the rock band "Uchcharon". He was also a freedom fighter. He took part in the Liberation War of Bangladesh in 1971. He is considered to be one of the greatest artist in the history of Bangladeshi popular music.
Khan was born and raised in Dhaka. He was interested in music since his childhood. He started his music career there with the group "ক্রান্তি শিল্পী গোষ্ঠী (Trinity Artist Group)" in 1967. In 1969, he went to the "গণঅভূথ্যান (People Awakening)", against the Pakistani army. In 1971, inspired by his father, he and his brothers took part in the Liberation War of Bangladesh. He was trained in Meghaloy, India. He fought in the Sector 2, under Major Khaled Mosharraf. In mid-December, 1971 he came back from the camps and started his music career again. He found the pioneering rock band "Uchcharon", along with his friends Nilu (lead guitars) and Mansoor (rhythm guitars), Sadek (drums).They first appeared on Bangladesh Television in 1972. They got commercial success with the hit "রেল লাইনের বস্তিতে (In the Slum Beside the Rail Line)" in 1975. Releasing more hit songs in the 1970s, they became a popular rock band in Asia. In the late 1970s, they released more hit songs like "আলাল ও দুলাল (Alal and Dulal)", "সালেকা মালেকা (Saleka Maleka)" and "আসি আসি বলে তুমি (Come on, You come)".
His contribution to the music industry, brought him the second highest civilian honour award "Ekushe Padak", which he was awarded posthumously in 2019 and also the honorific nickname "The Rock Guru", which he is mostly called by his fans.