The song's magic was so potent that Karthik decided to create a music video tribute to his grandfather. He scoured the internet for footage of their village, shot during the same seasons his grandfather used to listen to the song. He added pictures of his grandfather, smiling and happy, with the song's lyrics as captions.

‎Sindhu Nathi Poo (Original Motion Picture Soundtrack) - Album by Soundaryan & Vairamuthu - Apple Music. Apple Music Sindhu Nathi Poo - JioSaavn - JioSaavn

As he downloaded the file and played it on his phone, a wave of memories washed over him. He remembered his grandfather, now late, humming the tune while working in their backyard. He recalled the countless afternoons spent listening to old Tamil songs with his friends, "Sindhu Nathi Poo" being their favorite.

Years later, when Karthik had children of his own, he would play "Sindhu Nathi Poo" for them, telling them stories of his grandfather and the memories they had shared. The song would transport them to a world of imagination, where love, nostalgia, and music blended seamlessly.