He is known for his song, "Piyar Ki Yaad Nigahon Mein Sajaye Rakhna", playback vocalized for the Urdu movie Talaash in 1976.
Shehzad got his early music training from Ustaad Baray Ghulam Ali Khan who was residing in Lahore.
In 1964, he was offered a job at Radio Pakistan, Lahore, where he served for the next eighteen years and recorded over two thousand songs, ghazals, and Na'ats.
In the film, Shehzad sang a duet, along with Talat Siddiqui, "Mujhay Ik Larky Se Piyar Ho Gaya", that became a hit of the time.
In 1976, he recorded a song, "Piyar Ki Yaad Nigahon Mein Sajaye Rakhna", for the film "Talash", that later became his identity.