Gotcha. The only Zappa album I’m familiar with is Sheik Yerbouti. And it’s a good one.
I listened to "Freak Out" (Suzy? Suzy Creamcheese? Is that You?) when it came out. If you like Sheik Yerbouti, you'll like Overnight Sensation and Apostrophe (very "pop" musical, fun listening). He was a liberal puke, but damn, he was a fantastic musical artist.