Source:
http://i.kinja-img.com/gawker-media/image/upload/s--qTGocjHI--/c_fit,fl_progressive,q_80,w_636/18ogecitdsxwtjpg.jpg
The draughtsman could draw all four of these pictures.
Source:
http://i.kinja-img.com/gawker-media/image/upload/s--us-UXjL---/c_fit,fl_progressive,q_80,w_636/18ogdwcrc89twgif.gif
The Musician:
Source:
http://i.kinja-img.com/gawker-media/image/upload/s--LWiBTBgl--/c_fit,fl_progressive,q_80,w_636/18ogfek4wnfnejpg.jpg
The Writer:
Source:
http://i.kinja-img.com/gawker-media/image/upload/s--ZxOBmSqu--/c_fit,fl_progressive,q_80,w_636/18ogaba5qduavjpg.jpg
Videos of two of these in action:
The Musician:
https://youtu.be/9n0gCi-oQ9s
The Writer:
https://www.youtube.com/watch?v=bY_wfKVjuJM