New Delhi:Pakistani Sufi music sensation Qurat-ul-Ain Balouch, better known by her stage name 'QB', has unveiled a new single "Saaiyaan", presented by Bollywood filmmaker Mohit Suri and EMI Records India. Produced by Salman Albert, the rock ballad has lyrics originally written by famed Punjabi Sufi poet Bulleh Shah. The video for the single "Saaiyaan", shot in Lahore, showcases the city's breathtaking heritage architecture, read a statement. The poignant story portrays the ordeals faced in romance and the relationship shared between two passionate lovers as they deal with pain that comes with the bitter end of their love. QB had earlier lent her voice to "Woh humsafar tha", the title track from the highly-acclaimed Pakistani TV soap "Humsafar", starring Fawad Khan and Mahira Khan.