The Whole Horn
Both bars are written pitch, on one scale. The lower bar is the compass The Whole Horn treats as learner-comfortable — a range, not a fence.
The trumpet is written in treble clef, and the range you will find in a scored part runs from F♯3 to C6 — about 2.5 octaves. This is the figure orchestration texts publish and the one a composer writes inside. It is the answer to “what can I put on the page for this instrument”.
The trumpet is a B♭ instrument: it sounds a major second lower. Every note in the written range moves by that same interval, so the sounding range is the written range shifted whole — concert E3 to B♭5. Nothing is compressed or stretched; a range is transposed exactly the way a single note is.
This is the figure that matters when a composer is checking whether a line fits, or a director is working out why the trumpet cannot play the part in front of it. The written range answers “can I read this”; the sounding range answers “will this be the pitch I wanted”.
| Note | Written | Sounds |
|---|---|---|
| Lowest scored note | F♯3 | E3 |
| Highest scored note | C6 | B♭5 |
| Lowest learner-comfortable note | F♯3 | E3 |
| Highest learner-comfortable note | A5 | G5 |
The scored range and the range a developing player owns are not the same thing, and pretending otherwise is how a part ends up unplayable by the section it was written for. The Whole Horn treats F♯3 to A5 as the learner-comfortable written compass of the trumpet, sounding concert E3 to G5.
That is a range, not a fence. It is where a developing player is secure enough that the note is not the hard part — not a boundary the instrument enforces and not a limit anyone should be told they have. Both ends move outward with practice, at different rates, and they move for different reasons at the top than at the bottom. A student who cannot reach A5 today is not outside the range; they are on their way to it.
The highest note commonly written for the trumpet is C6, which sounds concert B♭5. That is the top of the scored range, which is a publishing convention rather than a measurement: it is the note above which a composer stops being able to assume the player has it.
There is no key that stops the trumpet at written C6. The valves only choose which harmonic series is sounding, and the partials of that series get closer together the higher you go — so above the staff the note is selected by air and embouchure rather than by fingering. That is why the ceiling is a property of the player's development, and why a lead player in a big band works routinely above where a scored part would ever go.
The scored range — written F♯3 to C6 — is the figure this site already publishes on the band transposition chart, and the two pages read it from one table so they cannot disagree. It is the standard range these instruments are taught and scored in.
The learner-comfortable range — written F♯3 to A5 — is The Whole Horn's own instrument table, the one the app itself reads. Its header states the contract: lo/hi = WRITTEN MIDI, learner-comfortable. It is a published in-house figure with a stated philosophy, not an estimate written to fill a paragraph.
The sounding range is derived here from the written range by interval, not stored — a stored second copy is a copy that can disagree with the first.
The standard written range of the trumpet is F♯3 to C6, about 2.5 octaves. Those written notes sound as concert E3 to B♭5.
The highest note commonly written for the trumpet is C6, which sounds concert B♭5. That is the top of the range parts are scored in. It is not a physical limit — see what moves that ceiling below.
The lowest note in the standard written range is F♯3, sounding concert E3. The Whole Horn treats F♯3 as the lowest learner-comfortable written note.
The Whole Horn's learner-comfortable written range for the trumpet is F♯3 to A5, sounding concert E3 to G5. That is where a developing player is secure, not a fence — the ends move outward with practice, and they move at different rates for different players.
No. The trumpet in B♭ · sounds a major second lower, so the written range F♯3 to C6 sounds as concert E3 to B♭5.
About 2.5 octaves in the standard written range, from F♯3 to C6. The learner-comfortable span is narrower, from F♯3 to A5.
The Whole Horn plays all twelve major scales in the trumpet's own written pitch and treble clef, so what you read is what you play.
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