Pleasant and Delightful.
My favourite version of this song is by Show of Hands at https://youtu.be/1lZtcL-h21o, but you can also find on You-Tube the great Louis Killen at the end of his career.
Sweetness of Mary.
Though in the traditional idiom I confess this is a modern strathspey (by Joan McDonald Boes), but I'm very partial to it. See Eliza Carthy's set at https://youtu.be/SJn4mysmOa4
Good King Charles's Golden Days.
This is actually the opening line of The Vicar of Bray, a folk-song in only the widest sense, but see https://youtu.be/qNbn7dH1uVE for a fairly authentic Eighteenth Century approach.
The New Rigged Ship.
There is a good fiddle version at https://youtu.be/QghhFlt7vjM by Ali Bain, although a tune of this name was found in Dorset.