Sea Shanties in Moby Dick (1956) - A.L.Lloyd
From:
http://www.folkradio.co.uk/2011/07/a-l-lloyd-bramble-briars-and-beams-of-the-sun/
Probably one of the best depictions of sea chanties / shanties as working songs on a windjammer.
http://www.youtube.com/watch?feature=player_embedded&v=hdiFYCUP9oU