JUST as sailors, in the days of wind-jammers, used to send the capstan round to the accompaniment of traditional shanties, so the workers in many industries have their own songs with which they accompany their work. In many instances it has been found that singing has a wonderful effect in increasing the workers' output, and some employers have encouraged singing during working hours. Miss Hewitt has made a collection of 'occupation' songs, which are now, with the growth of factory methods, gradually dying out.