Busby's deceptively simple sketches captured, with a few strokes of the pencil and watercolour wash, the essence of a bird's movement and behaviour.
These sketches captured the choreography of the performance in a primal blueprint, a score for movement that somehow had to be incorporated into the translation.
Many of the paintings are little more than sketches, capturing the fleeting effects of light and the patterns of clouds in motion.
Over many years, he worked with Roald Dahl on some of his most famous books and his sketches captured the very essence of Willy Wonka, Matilda and the BFH.
But only the sketch captured the scene inside the courtroom.
Also, the sketch captures the later years Cosby Show tone of almost being a parody of itself.
And that's what the "SNL" Super Fans sketch captured, even as it lovingly skewered obsessive fans of Mike Ditka and the Chicago Bears.
In a way, this sketch captures perfectly the pattern of recent political events in the UK: we only get to see our enemies vanquished, when a still greater evil arrives to ravish us.
But she insisted sketches can capture scenes that cameras cannot and court sketches would be missed if they are eventually phased out.
Trained as a painter and architect at the Brera Academy of the Arts in Milan, he has continued throughout his career to use drawing to visualize his thoughts, rendering the basic characters and situations of his plays into sketches that capture the absurdity of their predicaments.
