The Happy Wanderer is an original composition, written after the second world war by Friedrich-Wilhelm Möller. It has an infectious melody that lends itself to interpretation. Here are some different versions of the tune, starting with the version that made it famous.
Here’s a stylish version by Fred WAring and his Pennsylvanians
This one is a very strange – a Louis Prima version
I guess we’d better have a Dixieland version…
27th Street 
Thanks for linking to my blog:) fun to see your home and nice to meet someone else who likes chanky chank.
Cheers. Your blog is excellent and I find myself visiting often.
Very much appreciated.