When filmmaker Mari Selvaraj wished AR Rahman on his birthday, fans expected warmth. What they got instead was a headline that lit up social media. In the celebratory post, Mari confirmed that the Oscar-winning composer will score his upcoming film with Dhanush, tentatively titled D56. In one simple gesture, the director revealed the creative backbone of what is shaping up to be one of the most awaited Tamil films in the pipeline.This marks the second time Mari and Rahman are collaborating after the politically charged Maamannan in 2023.