Ear Training for Trombone Players
The trombone is the one common wind instrument with no fixed pitches at all. No valves, no keys, just a slide with seven positions marked by nothing but habit, and continuous space between them. Every note you play is exactly as in tune as your ear told your arm to make it. For trombonists, ear training is not a supplement to technique. It is the technique.
Start training freeSampled trombone included. Nothing to install and no account to make.
Positions are approximate. Your ear is not.
Seven positions, each a half step below the last, and each one a harmonic series. First position on a tenor trombone gives you Bb2, F3, Bb3, D4, F4, a flat Ab4 you mostly avoid, and Bb4, with pedal Bb1 underneath. What no chart can tell you is where the slide actually goes. The positions are not evenly spaced in inches: the gaps widen as you move out, so seventh sits much farther beyond sixth than second does beyond first. Then the partials shift things. The fifth partial (D4 in first) runs flat, so you play it in a slightly short first, and the sixth (F4) runs sharp. Alternate positions add another layer: D4 in first or fourth, Bb3 in first or fifth, F3 in first or sixth, each with its own small offset.
What trombonists actually do is hear the pitch and put the slide where the note is. That reflex, "I know where this note lives", is what the note recognition trainer builds: one pitch sounds, you hold it in your head, you find it on the staff. Use the trombone sample, so you train on the tone you match every day.
Concert pitch, bass clef, nothing to convert
Trombone parts are written at concert pitch, so the note on the page is the note in the room. The app follows suit: pick trombone and it plays a real sampled trombone and shows a bass clef staff. What you see is what you hear, with no transposition in between. (If you came up in a brass band reading Bb treble clef, note that the app uses the bass clef of orchestral, concert band and jazz parts.) High orchestral writing moves into tenor clef; the app stays in bass clef throughout.
The range is E2 to Bb4, from seventh-position low E, the bottom of a tenor without an F attachment, up to the Bb above middle C. Because that range tops out below the written C5 that other instruments use for the beginner octave, Easy and Medium on trombone use C3 to C4 instead: sixth-position C up to third-position C, the octave where most of your playing happens. Easy is the C major scale in that octave, Medium is all thirteen chromatic notes, Hard is the full range, and Custom lets you set the sliders yourself.
The intervals inside the slide
Trombone technique is a map of intervals, whether or not anyone called them that. Moving between partials in one position gives you the harmonic series intervals: Bb2 to F3 is a perfect 5th, F3 to Bb3 a perfect 4th, Bb3 to D4 a major 3rd, D4 to F4 a minor 3rd. Every natural slur across partials is one of those. Moving the slide on one partial gives you the seconds: each position is a minor 2nd, two positions a major 2nd, and every fast scalar passage is a chain of them. First to seventh on the same partial is exactly a tritone. And the octave, Bb2 to Bb3 in the same position, is the trombonist's tuning check.
The interval trainer plays two notes with the trombone sound and asks you to place both on the bass clef staff. Interval names mode asks only for the label. As you answer, picture the slide: where does the first note live, and is the second a partial change, a position change, or both? Drill descending intervals as hard as ascending, because trombone lines fall constantly, and a glissando is just a slide sweep across an interval you have to hear the end of before you start.
The section chorale and the tuned 3rd
Trombone sections spend a lot of their time as a chord: pads behind a big band vocalist, chorales in the orchestra with the tuba underneath, hymns in a brass choir. In a chord tuned by ear rather than by keyboard, the major 3rd sits about 14 cents below equal temperament and the minor 3rd a little above it. On a valve instrument that adjustment takes lip and slide tricks. On trombone it is a small movement of the arm, which makes the trombone section the easiest brass section to tune perfectly and the most exposed when it is not. The hearing is everything.
Practise the hearing with Arpeggio mode. The trainer plays the notes of a chord one at a time with the trombone sound, and you find each one on the staff. As you place each note, name its role: root, 3rd, 5th, 7th. When you know you are holding the 3rd of a major chord in the section, you know it wants to come in a fraction. For the listening method behind each chord quality, see how to recognize chords by ear.
Jazz trombone is learned by ear
Solos come off records, heads get picked up on the gig, and a bass clef lead sheet is already in your key, a gift compared with what the trumpets and saxes go through. Transcribing a solo is note and interval recognition at speed, and how to transcribe music by ear walks through the method. The interval work above is what makes it fast.
A 10-minute daily routine for trombonists
- 2 minutes: hear it, place it. Note recognition with trombone selected, Medium difficulty. Sing the pitch, imagine the slide position, then answer.
- 4 minutes: intervals. One scored round in Interval mode followed by one in Interval names. Picture the slide move for every answer.
- 3 minutes: arpeggios. Arpeggio mode, major and minor triads until you are above 80%, then add 7th chords. Name the chord tone as you place it.
- 1 minute: the daily challenge. One shared puzzle a day.
Then on the instrument: long tones against a drone. Play a slow scale over a sustained tuning note and listen for the beats to disappear on every degree. Same skill, with the slide as the answer button.
Frequently asked questions
Why do trombone players need ear training more than valve players?
Because the slide has no fixed pitches. Positions are approximate and shift with the partial, and a trombonist gets exactly as close to the note as their ear told their arm to go.
Does the app show bass clef for trombone?
Yes. Trombone is concert pitch, so the note you see is the note you hear, on a bass clef staff from E2 to Bb4, with a real sampled trombone sound.
Why does Easy use C3 to C4 for trombone instead of C4 to C5?
Because the trombone's range tops out at Bb4, below written C5. The beginner octave drops to C3 to C4, sixth-position C to third-position C, the middle of the tenor's range.
Which intervals should a trombone player learn first?
The half step, since every position is a minor 2nd apart. Then the 5th, 4th and 3rds between partials, then the octave as your tuning check, and the 3rd as a chord tone for section work.
Related instruments: the other brass pages cover trumpet, French horn and tuba. If you also play in a rhythm section, the double bass page shares the bass clef and much of the same territory.