Director Mel Brooks might be a kooky maniac, but he's also one of the most talented people ever to hit Hollywood. In addition to being a hilarious writer and director, he's also a great musical composer.
Working with composer John Morris, Brooks created the original music for Blazing Saddles and used it as yet another weapon in his Make-You-Laugh arsenal. The Old West vibe of this movie is already over the top by the time we see the town of Rock Ridge, but Brooks decides to go a step further with some saloon music and some clever lyrics to remind us how folksy the place is.
But that's not all. Mel Brooks and John Morris save some of their most clever and hilarious music for the end of the movie, where the fighters at Rock Ridge bust into other movie sets on the Warner Brothers studio lot and eventually clash with a bunch of dancers singing a song called The French Mistake.
Once again, we see a perfect example of Mel Brooks' talent and his love for big songs and pageantry. And the result couldn't be funnier.
One last thing: according to Brooks, the singer didn't think the title song was a parody (source). Awk-ward.