Jazz Guitar Improvisation Tips: How to Transcribe So Your Ear Actually Grows
Here's the core improvisation truth most intermediate players miss: your ear only hears what it already knows. That means transcription isn't just copying notes — it's the single fastest way to expand what your ear can perceive, even when you get it wrong. Junewon Choi, the Berklee-trained guitarist behind the online jazz guitar lessons at VoiceLid Jazz Guitar, learned this the hard way, and it reshaped how he teaches transcription entirely. Get the process right and your soloing vocabulary grows on its own; get it wrong and you'll keep playing the same three ideas forever.
Why does my ear only hear what it already knows?
When you transcribe, your brain maps unfamiliar sounds onto the closest thing it already understands — exactly like a listening test in a foreign language, where you "hear" words you know instead of the words actually spoken. Junewon's classic example: as a beginner he transcribed Wes Montgomery's Sundown, assumed it was all pentatonic because it sounded bluesy, and got nearly all of it wrong.
The reality? Those lines were built from upper-structure triads, not the pentatonic scale. He also assumed the chord solo was an octave passage, because a full chord-melody solo was beyond what his ear could imagine at the time. The lesson: what you can transcribe is limited by what you already know — so you have to keep stretching it.
Is it still worth transcribing if I make mistakes?
Yes — emphatically. Doing the transcription, even imperfectly, is completely different from not doing it. Each attempt makes the next one faster and more accurate, and the act of being wrong makes your thinking more flexible. You start to expect surprises instead of forcing every sound into your existing assumptions.
So don't wait until you feel "ready." Mistakes aren't wasted reps — they're how the ear recalibrates. If you want to study the fretboard logic behind the upper-structure sound Junewon missed in Sundown, Wes' Insight breaks down exactly how Wes built those lines.
Should I transcribe many players or just one?
Go deep on one. Pick a single player — say Russell Malone, or whoever speaks to you — and transcribe them extensively, because:
A single artist has a consistent vocabulary, so patterns start to repeat and reveal themselves.
Familiarity is the goal — getting deeply comfortable inside one voice teaches you more than sampling ten.
It's like watching one TV series across seasons: the same writers, the same speech patterns, and suddenly you understand far more than you did at the start.
Breadth comes later. Depth is what actually rewires your ear.
Should I keep my eyes on the page or the fretboard?
On the fretboard — not paper. One of Junewon's strongest teaching principles: don't lean on visual information from notation or tab. When you write everything down and read it back, you add an extra layer between you and the instrument, making the path more complicated, not less.
Instead, let your eyes learn the fretboard directly — fight to know where each sound lives under your fingers. Notation pulls your attention away from the instrument; the guitar's geography is what you actually need to internalize. For more on understanding the neck by function instead of memorized dots, read Are You Just Memorizing Shapes?, and to train the underlying listening skill, see Jazz Ear Training: You Don't Need Perfect Pitch.
Putting it into practice
Transcribe by ear, expect to be wrong, go deep on one player, and keep your eyes on the neck. Do that consistently and your improvisation grows from the inside out. When you're ready to connect this listening work to a structured path through real jazz language, work through the Fundamentals Program at voicelidjazzguitar.com/program.
About the Author
Junewon Choi is a Berklee-trained jazz guitarist and the founder of VoiceLid Jazz Guitar, an online education platform teaching jazz harmony and improvisation through the Functional Diagonal Approach (FDA) — a chord-first method built on voice-leading rather than scale boxes.
Wes' Insight — Wes Montgomery's fretboard logic, in lesson form
Fundamental 1: Wes Diagonal System — the FDA from the ground up