Sea shanty mania continues to grip the British charts as Nathan Evans, 220 Kid & Billen Ted enjoy a second week at No.1 with Wellerman continuing its sales domination. The track's popularity is so consistent it tops the charts with an almost identical chart sale to last week, its total of 50,454 (including 44,422 from 5.6m streams) is just 437 fewer than seven days ago - a variance of a mere 0.9%.

Wellerman is the 21st single by a Scottish ...