A video of an elderly man suffering from Alzheimers’ syndrome singing with his grand-daughter has been making rounds on the social media and melting hearts of netizens.

The video posted by the Alzheimers’ Society on her Facebook page, shows the grand-daughter singing the song, "Somewhere over the rainbow," from the musical 'The Wizard of Oz', sitting beside her grandfather. As the girl was singing the song, her grandfather was joining her occasionally. But the smiles on the faces of the duo is what made the moment more emotional.