Harmonic Synthesizer

The Harmonic Synthesizer is a treasure in Pikmin 2 that is actually a castanet. It is found on the 3rd sublevel of the Glutton's Kitchen. It is the 69th treasure on the List of Pikmin 2 treasures.

Captain Olimar's Journal
"My taste in music is highly refined. But my wife and kids have no taste at all! For example, when I ask my family if they want to go out for karaoke, they twist their faces and give me a nasty look! They don't know what they're missing..."

Sales Pitch
"This clamlike sound generator is all-natural. The purity of its percussive tone is irresistible. Clack-Clack!"