Category Ink & Watercolor

There is a whole community of artists practicing the style of art called Urban Sketching across the world. So much so that an artist's material company, Etchr Studio, seems to target this clientele!

I just discovered Etchr Studio's "demo" videos. These are 40 to 60-minute demonstrations from really talented artists. The notes list the material and colors used, which is really helpful.
Here are the ones I particularly liked.