Imaginary Garden with Real Toads offers a mini-challenge, to use the Waltz Wave Form in response to the prompt.
The Waltz Wave Form requires 38 syllables over 19 lines, in the following configuration:-
Below is the picture prompt (by one of my favourite painters) followed by my attempt
'The Singing Butler' by Jack Vettriano
With me –
Let us whirl
‘Til music ends