When iconic Bollywood lyricist Hasrat Jaipuri’s daughter Kishwar visited Mumbai a decade after her marriage across the border in Rahim Yar Khan, he knew it would be their last meeting. But he couldn’t know the hardships she would face.

Although these songs were never screened in cinema halls, these 'invisible songs' are partly, sometimes even mostly, responsible for a film's commercial success.

A tour of North America shows that the poetic giant's movies and songs not only remain relevant but are gaining more appreciation across the world.