Oh, not obligated, but it's such a rich field that it's a huge pity no one is doing it!

As for the artwork story... Maybe it's easier if I link, as it's very, very short and free (please feel free to remove the link if you have a no-link policy here, and I'll just tell you about it, no worries): http://www.everydayfiction.com/virtuoso-by-gustavo-bondoni/

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