Millions have watched his rendition of "Wellerman" and other songs he uploaded to the app, and they have proved so popular that Evans, 26, has been able to quit his job as a mailman after signing a record deal with a major music label, Polydor Records.
"Sea shanties were made to get people to join in, sing along, stamp their feet, clap their hands, keep the morale high," Evans told NBC News last week, adding that they had helped to unify people isolated by the coronavirus pandemic.
"I think that in these times when everybody's stuck at home, they're quite down, it's not been the best of times, so I think kind of in a weird way it cheers everybody up. ... It makes everybody feel united," he said.
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