Lyrics:

Frank zappa (guitar, dialog)
Mark volman (lead vocals, dialog)
Howard kaylan (lead vocals, dialog)
Ian underwood (woodwinds, keyboards, vocals)
Aynsley dunbar (drums)
Jim pons (bass, vocals, dialog)
Bob harris (keyboards, vocals)
Don preston (mini-moog)

Ooh!
Lalalalala...

Hoopla!
Oink! oink!
Lalalala...
Aah!

Yayayayayaya...
Lalalala... mud shark
That's right, you heard right,
The secret word for tonight is mud shark
And of course with the mud shark secret word is the mud shark arpeggio
A marvellous little arpeggio
And now the mating call of the adult male mud shark: