For Sindhi lyricist and vocalist Amjad Mirani, music serves the same purpose. “Music is such an art form that if we don’t use it for resistance and revolution, it’s useless,” he says.

Some of his belongings he held to his heart—the vintage Yashica 635 box camera, black and white photographs, his watch and stories written in Sindhi. The latter has found its way into the music ...