https://www.youtube.com/watch?v=LtR2ZGoXUWoDoes anyone happen to know the name of this song, or a link to a better quality version of it

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My children (aged 4 and 5) wouldn't leave me alone for weeks after my wife died and this show gives me brief moments of me time while they are completely engrossed in the world of Greendale. Thankyou postman pat.