People would take jazz a lot more seriously if all the charts weren't marked up in fonts that looked like Comic Sans.1
Clearly this is a personal preference—but with quite a few people writing things using notational software, perhaps some thought about how we lay out chords and text on the page needs a bit of a re-think.
The idea behind the Sigler fonts is that they look "more handwritten", which I think works very well if you have that sort of writing.
But if you don't—and I do not—then you have the flexibility to be more interesting with your typefaces, as long as it's legible.
just in case: that's a joke. I don't really think people will take jazz seriously. And changing the font of lead sheets won't make it better either. ↩