Many years ago I had fun playing with the BABBLE program. You give it several text files, it analyzes them to figure out what words are used together, then it generates a new text that "sounds like" any or all of the source files. Oh, here we go, a current link: Lyric generators Brad Sucks. You have to save your source material in a text file with an 8.3 filename since it's an old DOS program.
I gave it a Gary Halbert letter, a Wordpress tutorial, a PayDotCom testimonial, and a UFO conspiracy rant, and it came up with this:
All I need is a disclaimer that these results are not typical, and I'm ready to go!
Here it is with an equal mix of Gary Halbert and Martha Stewart: