Play this video and join in on the activities:
Scroll down this link to sing 'The big ship sails on the ally-ally-oh' with the vocal version. Then sing it with the backing track. https://www.bbc.co.uk/teach/school-radio/music-ks1-sun-sea-song-1-the-big-ship-sails-on-the-ally-ally-oh/zb7spg8
Next scroll down further to play the video and musical game Activity: Identifying 'rests'. He tells you to get in to two groups so see if you can do both Group A and Group B by yourself. I bet you can.
Once again you can scroll down to play the video for story time: Story: The Fisherman and the Magic Fish - Part 1
Finally, join in the video: Listening activity: sounds of the seaside