jam block
A jam block is a percussion instrument developed as a modern, hard plastic version of the woodblock. They are popularly used for their durability when compared to the traditional woodblock. They were created by Martin Cohen, founder of Latin Percussion, after percussionist Marc Quiñones requested a sturdier version of the woodblock.
jam block

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- Name
- Jam block
- Field
- percussion idiophone
VALÉORINE Encyclopedia
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Documentary summary
A jam block is a percussion instrument developed as a modern, hard plastic version of the woodblock. They are popularly used for their durability when compared to the traditional woodblock. They were created by Martin Cohen, founder of Latin Percussion, after percussionist Marc Quiñones requested a sturdier version of the woodblock.
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wikidata · Q3806379 · wikipedia · Jam block
In this article
Overview
Overview
Jam blocks are usually attached to timbales and drum kits, but they can also be used as standalone orchestral instruments. They are often used in salsa and other Latin American styles, although some modern drummers have used them in rock. They are also often used to keep time during marching band rehearsals where they are popularly known as "gock blocks".
Key facts
Key facts
• Name — Jam block • Names — * Gock block • blast block • Background — percussion • Classification — Percussion • Hornbostel Sachs — 111.242.1 • Hornbostel Sachs Desc — Individual bells • Inventors — Martin Cohen • Related — * Woodblock • temple blocks • muyu • slit drum • Builders — * Latin Percussion • Pearl • Meinl
Definition
Definition
Institutional cataloguing adds that jam block is classified as a percussion idiophone.
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Strain, James Allen. A Dictionary for the Modern Percussionist and Drummer. Rowman & Littlefield Publishers. 95. 2017. 978-0-8108-8693-3.
- 2.Lapidus, Benjamin. New York and the International Sound of Latin Music, 1940-1990. University Press of Mississippi. 2021. 978-1-4968-3132-3.
- 3.Colwell, Richard. The Teaching of Instrumental Music. Taylor and Francis. 157. 2017. 978-1-317-21273-7.
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Citations
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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