I made a gig just now, and the site wouldn’t allow me to use “Suggest Other->horn” as my sole option. There is no other option for (french) horn on the site. I had to add an additional instrument (trumpet) so that I wouldn’t get an error that I have incomplete metadata and be unable to save the gig.
I love the French horn but it’s an instrument you never hear about. Hoping they add it as an option.