The Whirly tube, corrugaphone or Bloogle Resonator is a musical instrument

Musical instrument

A musical instrument is a device created or adapted for the purpose of making musical sounds. In principle, any object that produces sound can serve as a musical instrument—it is through purpose that the object becomes a musical instrument. The history of musical instruments dates back to the...

 which consist of a corrugated plastic

Plastic

A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...

 tube which is swung in a circle to play. The faster the toy is swung the higher the pitch

Pitch (music)

Pitch is an auditory perceptual property that allows the ordering of sounds on a frequency-related scale.Pitches are compared as "higher" and "lower" in the sense associated with musical melodies,...

 of the note it produces. It produces discrete notes in the overtone

Overtone

An overtone is any frequency higher than the fundamental frequency of a sound. The fundamental and the overtones together are called partials. Harmonics are partials whose frequencies are whole number multiples of the fundamental These overlapping terms are variously used when discussing the...

 series like a valveless brass instrument

Brass instrument

A brass instrument is a musical instrument whose sound is produced by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips...

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The instrument is often used as a toy but it has also been used as by a number of artists including Peter Schickele

Peter Schickele

Johann Peter Schickele is an American composer, musical educator, and parodist. He is best known for his comedy music albums featuring his music that he presents as music written by the fictional composer P. D. Q...

, Loch Lomond

Loch Lomond (band)

Loch Lomond is a band based in Portland, Oregon, United States that was started as a solo recording project of Ritchie Young in 2003. With help of engineer/producer Rob Oberdorder, Young crafted the first Loch Lomond album, When We Were Mountains, which was released on In Music We Trust Records...

, and Yearbook Committee

Yearbook Committee

Yearbook Committee is a folk/folk rock band from Terre Haute, Indiana founded in May 2009. Current band members are Christina Blust, Jon DaCosta, Travis Dillon, David Goodier, Brad Lone and Rachel Rasley, all of whom share songwriting and lead vocal performance duties. The band is known for its...

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