The chords are based on the linked song (which is the only one I've heard).
(G)Hold a seashell (D)to your ear and (G)listen to the (C)ocean (G)You can hold its roar in the palm of your (D)hand (G)Close your eyes and (D)what you’ll hear will (G)bring to you the (C)notion Of (G)sailing ships and days of yore and far-off (D)foreign (G)strands
CH They’ re (G)tall (D)ships, ((G)sailing up the (C)channel (G)Memories of an era that we’ll never (D)know (G)Tall (D)ships, (G)sails like bits of (C)flannel (G)Remind us of a way of life that’s long, (D)long ago.
Depending how you play it, you may want to add a relative minor or 6th, but that'll get you started.