A Growdi Harmonique was a type of musical instrument consisting of a combination of a flute and a water organ. The Shawda Ubb musician Rappertunie played a Growdi Harmonique as part of the Max Rebo Band, and used his mouth, toes and fingers while playing the instrument.
- Star Wars: Episode VI Return of the Jedi (First appearance)
- Star Wars: Return of the Jedi junior novelization
- Music in the Star Wars Galaxy: The Modal Nodes vs. The Max Rebo Band
- Star Wars: Absolutely Everything You Need to Know (First identified as Growdi Harmonique)
- Star Wars: Complete Locations
- Star Wars: The Visual Encyclopedia