India, July 20 -- In a heartwarming moment captured on camera, an Australian band invited an Indian man from the audience to join them onstage for a song during their performance in Paris. However, as the man began singing, his voice left the crowd speechless.

The viral video shows members of an Aussie band singing Louis Armstrong's American classic "What a Wonderful World." As the crowd swung to the music, the band's singer pulled an Indian man from the audience onto the stage and handed him the microphone.

Not knowing what to expect, the crowd quietened down to hear the man sing. To everyone's surprise, the man grabbed the microphone and belted out a perfect verse in a voice that perfectly matched Louis Armstrong's.

The crowd erupted...