This background was unusual, with (to me) a slightly FANTASIA feel to it...
Spotlights were featured heavily in the musical numbers, as well as two-toned backgrounds.
There are several wonderful street scenes such as this:
One set (background) pops out of a book!
The artwork for THE THREE CABALLEROS showed a lot of creativity, from the very simple color wash B/Gs to the more traditional (elaborate) Disney artwork.
As always, each works beautifully as the backdrop for Disney animation!