Just for the record, have now completed Bullen's 'Cruise of the Cachelot' out of New Bedford, a seemingly accurate account of a 3-year whaling voyage around the world visiting many exotic ports and catching a variety of whales. Not a single mention of chanties or any singing at work whatsoever. Apart from the 4 mates and captain, and the Englishman Bullen, the crew were Portuguese hardened whalemen, and co-opted landlubbers practically shanghaied, with no experience.