Marcus, a dear friend of mine, thought the three-happy-songs post was such a good idea that he started spreading the question among his friends. The result is the Spotify playlist that you find below. Two hours of fun! I am listening to the list while writing this and can hardly sit still. It is a very diverse list with songs from many different music genres.
By the way, I will happily add your three happy dancing songs.
With many, many thanks to Marcus and friends!!