D-28
E892685
The D-28 is a renowned steel-string acoustic guitar model by C. F. Martin & Company, celebrated for its rich tone, rosewood back and sides, and extensive use by influential folk, country, and rock musicians.
All labels observed (1)
| Label | Occurrences |
|---|---|
| D-28 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10911010 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: D-28 Context triple: [C. F. Martin & Company, notableSeries, D-28]
-
A.
Rickenbacker 12-string guitar
The Rickenbacker 12-string guitar is an iconic electric guitar known for its bright, chiming sound that became a defining feature of 1960s folk rock and jangle pop.
-
B.
Musitron
The Musitron is an early electronic keyboard instrument, similar to a modified clavioline, best known for its distinctive solo sound on Del Shannon’s hit song "Runaway."
-
C.
Gibson Explorer
The Gibson Explorer is an electric guitar model introduced in the late 1950s, known for its radical angular body shape and association with hard rock and heavy metal guitarists.
-
D.
Epiphone B.B. King Lucille model
The Epiphone B.B. King Lucille model is a semi-hollow electric guitar designed to B.B. King’s specifications, featuring a no-F-hole body, stereo/mono outputs, and electronics tailored for his signature blues tone.
-
E.
D-2500
D-2500 was the German civil-registered prototype and primary example of the Junkers G 38, a large all-metal four-engine transport aircraft of the late 1920s and early 1930s.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: D-28 Target entity description: The D-28 is a renowned steel-string acoustic guitar model by C. F. Martin & Company, celebrated for its rich tone, rosewood back and sides, and extensive use by influential folk, country, and rock musicians.
-
A.
Rickenbacker 12-string guitar
The Rickenbacker 12-string guitar is an iconic electric guitar known for its bright, chiming sound that became a defining feature of 1960s folk rock and jangle pop.
-
B.
Musitron
The Musitron is an early electronic keyboard instrument, similar to a modified clavioline, best known for its distinctive solo sound on Del Shannon’s hit song "Runaway."
-
C.
Gibson Explorer
The Gibson Explorer is an electric guitar model introduced in the late 1950s, known for its radical angular body shape and association with hard rock and heavy metal guitarists.
-
D.
Epiphone B.B. King Lucille model
The Epiphone B.B. King Lucille model is a semi-hollow electric guitar designed to B.B. King’s specifications, featuring a no-F-hole body, stereo/mono outputs, and electronics tailored for his signature blues tone.
-
E.
D-2500
D-2500 was the German civil-registered prototype and primary example of the Junkers G 38, a large all-metal four-engine transport aircraft of the late 1920s and early 1930s.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
acoustic guitar model
ⓘ
steel-string acoustic guitar ⓘ |
| alsoKnownAs | Martin D-28 NERFINISHED ⓘ |
| backMaterial | rosewood ⓘ |
| bodyShape | dreadnought ⓘ |
| bracingPattern | non-scalloped X-bracing ⓘ |
| bracingType | X-bracing ⓘ |
| bridgeMaterial | ebony ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
flatpicking
ⓘ
strumming ⓘ |
| fingerboardMaterial | ebony ⓘ |
| finish | gloss nitrocellulose lacquer ⓘ |
| hasVariant |
D-28 Authentic
ⓘ
D-28 Marquis ⓘ D-28 Modern Deluxe NERFINISHED ⓘ D-28E ⓘ HD-28 ⓘ |
| introducedInYear | 1931 ⓘ |
| manufacturer | C. F. Martin & Company NERFINISHED ⓘ |
| marketedAs | professional-grade acoustic guitar ⓘ |
| neckJoint | dovetail neck joint ⓘ |
| neckMaterial | mahogany ⓘ |
| notableUser |
Bob Dylan
NERFINISHED
ⓘ
Clarence White NERFINISHED ⓘ Elvis Presley NERFINISHED ⓘ Hank Williams NERFINISHED ⓘ Jimmy Page NERFINISHED ⓘ Johnny Cash NERFINISHED ⓘ Neil Young NERFINISHED ⓘ Tony Rice NERFINISHED ⓘ |
| notedFor |
balanced projection
ⓘ
rich tone ⓘ strong bass response ⓘ |
| numberOfFrets | 20 ⓘ |
| numberOfStrings | 6 ⓘ |
| positionInLineup | flagship dreadnought model of Martin ⓘ |
| producedBy | Martin Nazareth factory ⓘ |
| scaleLength | 25.4 inches ⓘ |
| sideMaterial | rosewood ⓘ |
| stringType | steel ⓘ |
| topMaterial |
Sitka spruce
NERFINISHED
ⓘ
spruce ⓘ |
| usedInGenre |
bluegrass music
ⓘ
country music ⓘ folk music ⓘ rock music ⓘ singer-songwriter music ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: D-28 Description of subject: The D-28 is a renowned steel-string acoustic guitar model by C. F. Martin & Company, celebrated for its rich tone, rosewood back and sides, and extensive use by influential folk, country, and rock musicians.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.