The 'crazylegs' scene
The insane cellar wood-bin routine was perfectly recreated from the 1926 Sydney Chaplin film "The Better 'ole" http://www.imdb.com/title/tt0016643/reference . I'm just seeing it now on TCM.
Not like borrowing/lifting that riotous old bit should matter...
I love it!
Here's the Murder,He Says/Fred MacMurray version:
https://www.youtube.com/watch?v=cvp-EbRK0KE