‘Sea shanties are having a great vogue right now,’ reports the Leeds Mercury in January 1927. The writer may well have been describing the sea shanty trend of the present day, as the haunting harmonies of traditional sea shanties once again have captured the popular imagination. And one hundred years ago, during the 1920s, sea shanties were also incredibly popular. You could listen to them on the radio, or on your gramophone, and they were even performed by MPs. Sailors turn the capstan …