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Scales · September 12, 2026

By Justin Comstock · JazzValve creator, longtime guitarist and adult trumpet learner · Updated October 22, 2026

C Mixolydian Scale Trumpet Fingerings and Practice Drills

That F wants somewhere to go. I walk you through written C Mixolydian fingerings on B-flat trumpet, three C7 patterns, and a five-minute routine with room to breathe.

C Mixolydian Scale Trumpet Fingerings and Practice Drills
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That F can sound wrong against C7 until you let it fall to E. Here’s how I work through c mixolydian scale trumpet fingerings: C — open, D — 1+3, E — 1+2, F — 1, G — open, A — 1+2, B♭ — 1, C — open from written low C to third-space C. These are written B-flat trumpet notes. Practice over written C7, sounding as concert B♭7.

C Mixolydian Scale Trumpet Fingerings and Written Notes

Start on low C, one ledger line below the treble staff. Go up to C in the third space, then come back down. Don’t let the tempo wander on the return trip.

Written noteStaff locationValves
COne ledger line below staffOpen
DJust below staff1+3
EFirst line1+2
FFirst space1
GSecond lineOpen
ASecond space1+2
B♭Third line1
CThird spaceOpen

“Open” means no valves pressed. Valve 1 is nearest your mouthpiece, valve 2 is in the middle, and valve 3 is nearest the bell.

Coming down, play C–B♭–A–G–F–E–D–C. Keep your fingers close to the buttons. Move combined valves together. Low D is typically sharp, so use your third-valve slide as needed. I’d check it with a tuner or drone. Guessing isn’t much of a pitch reference.

What Makes It Mixolydian?

Take C major and change one note: B natural becomes B♭. That’s C Mixolydian. Its scale degrees are 1–2–3–4–5–6–♭7.

That flat seventh ties the scale to the dominant-seventh chord C7: C–E–G–B♭. E gives you the major third. B♭ gives you the minor seventh. Those are the two notes I listen for to hear the dominant sound clearly.

Over a basic, unaltered C7 chord, C Mixolydian gives you a useful place to start. Land on the chord tones. Use D, F, and A for movement and color. Hold F against the chord’s E and you’ll hear the tension. Start by resolving F–E, rather than parking on F.

Check the backing track before you play. If its chord names are in concert pitch, choose concert B♭7 for this written C7 exercise. A concert C7 backing track calls for written D7 on B-flat trumpet instead. Same screen, different job for your horn.

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Three Short Patterns to Practice

Set your metronome to 60–72 bpm. Start with quarter notes, a light tongue, and a steady sound. Play each pattern twice. Then rest for about as long as you played.

1. Scale up and down

C–D–E–F | G–A–B♭–C | B♭–A–G–F | E–D–C–rest

Give every note its full length. I pay close attention to A–B♭–C here. B♭ takes valve 1, not the 2 you use for B natural in this register. Don’t let habit choose for you.

2. Bring out the chord tones

C–E–G–B♭ | C–B♭–G–E | C–rest–rest–rest

Going up, the fingerings are open, 1+2, open, 1, then open for upper C. Listen for C7 in the pattern. You’re connecting the scale to the chord, not just giving your fingers something to do.

If C–E–G still feels unfamiliar, spend some time with C Major Triad Inversions: Trumpet Fingerings and Drills. Then add B♭.

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3. Resolve into the third

Resolve into the thirdWritten B-flat trumpet pitch · C Mixolydian key signature (one flat) · 4/4 · quarter note = 60Sounds a major second below written pitch. Original instructional exercise.Straight initial reading; later swing variations remain in prose.Valve labels below notes: 0 = open; numbers = valves pressed. Valve 1 is nearest the mouthpiece.

Read the note and rhythm transcript below. Staff notation requires JavaScript.

Notes, rhythm and playing instructions
  1. Bar 1: beat 1, G4 quarter note, fingering open, sounds F4, light tongue; beat 2, A4 quarter note, fingering 1+2, sounds G4, light tongue; beat 3, B-flat4 quarter note, fingering 1, sounds A-flat4, light tongue; beat 4, A4 quarter note, fingering 1+2, sounds G4, light tongue.
  2. Bar 2: beat 1, G4 quarter note, fingering open, sounds F4, light tongue; beat 2, F4 quarter note, fingering 1, sounds E-flat4, light tongue; beat 3, E4 quarter note, fingering 1+2, sounds D4, light tongue; beat 4, quarter rest.

Resolve into the third Straight initial reading; later swing variations remain in prose. Concert pitches in the transcript are references only; play the written pitches on B-flat trumpet. No audio playback or fixed swing ratio is implied.

G–A–B♭–A | G–F–E–rest

Let E sound like you’ve arrived. Tongue every note first. Then slur each group without changing the rhythm. When that feels comfortable, play the same notes as relaxed swing eighth notes. No need to rush there.

A Five-Minute Dominant-Chord Routine

Pull up the JazzValve C Mixolydian practice screen and work through this routine:

When you improvise, start with just C, E, G, and B♭. Add one passing note at a time. Finish your phrases on a chord tone. I’d rather hear a clear rhythm and an ending you meant than a line that never stops moving.

For a different sound, try the C Blues Scale Trumpet Fingerings and a Simple Improv Drill. Keep the two note sets separate at first. Give yourself room to hear how each colors the same dominant chord.

Where to go next

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Sources

  • Arban’s Complete Conservatory Method for Trumpet — Jean-Baptiste Arban (fingering chart)
  • The Jazz Theory Book — Mark Levine (Mixolydian and dominant chords)
Part of the guideJazz Trumpet Scales: Fingerings, Exercises & Practice →

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