It is always a close call but this one nabs the title of most cherished Zappa album for me.
Contender for best album of 1968 imo, although it supersedes all of the competition by making them look intellectually bankrupt hedonists. Could talk for hours about how much I love this album... the home-recorded sound, the mixture of (ridiculously catchy) pop satire with tape splicing and general experimentation, it is just one big, effortless send-up of Sgt. Pepper's and it's brood basically...
I found a label compilation somewhere and every song was a different interpretation of this song, forgot where i saw it though

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'Golly, do I ever have a lotta soul!'