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For "whammy bar", "tremolo bar" on the guitar, see Category:Vibrato systems for guitar.
- Historically, the term "vibrato" is often confused with the term "tremolo" and sometimes oppositely used, probably because the tremulant system on pipe organs has both effects. And now, we should distinct terms as following:
This category has only the following subcategory.
- ► Tremulant (1 C, 12 F)