Most beautiful color are all colors in pastel

Maybe because pastel seems to be a fitted rhyme for castle. If you change the p in pastel, you've got a magnificent castel (in Ro, castel equals castle). And the castel is a wonderful place where you can find every marshmallow your crave for sweets desires and any cake or cupcake your nose can sniff. All in the castle, without any hustle.

Quadron - Buster Keaton from Plug Research on Vimeo.