Guitar Lessons in Alternate Tunings: Practice Without Retuning

August 26, 2026by OpenFret Team

You tuned down to Drop C for a reason. Then you opened a practice app, and it asked you to tune back up. Every lesson in it is stored as fret numbers, and a fret number means a different note once you have moved the strings, so the software has two choices: refuse to teach you anything until you undo the tuning, or do the arithmetic itself. Most of them refuse.

This is a real complaint with a real workaround culture around it. Rocksmith players in lowered tunings have been trading answers for years, and the answers are a hardware pitch shifter, a modding tool, a capo, or a heavier set of strings. None of those is a fix. This is what the fix actually looks like, and where it stops working.

Why does a lesson break when you retune?

A tab is not music. It is a set of physical instructions for one instrument in one tuning. The fifth fret of the sixth string is an A in E standard and a G in Drop C, and the lesson that told you to play it was written by somebody who meant the A.

So the app is holding a chart that says “fret 5, string 6” and a microphone that is going to hear a G. Something has to give, and which thing gives is the entire question.

The two honest ways to move a lesson

There are exactly two, and they are opposites. Which one you want depends on why you retuned in the first place.

Keep the shapes

Play the fret numbers exactly as written. Your hands do the thing the lesson is teaching, and the music comes out lower than the page says. This is right for a uniform detune, where every string has moved by the same amount: E flat standard, D standard, C sharp standard, C standard. Sounding lower is the reason you detuned, and a lesson about a minor pentatonic box is still a lesson about a minor pentatonic box two whole steps down.

Keep the pitch

Move the fret numbers so the lesson still sounds the way it was written. This is right for a partial retune, where one or two strings have moved and the others have not: Drop D, DADGAD, the open tunings, all fourths. There is no shape to preserve in those, because the shape the lesson describes no longer produces the notes it describes.

An app that only does one of these is wrong half the time. An app that asks you which one you want, every time, is asking you to do its job. The sensible behaviour is to default per tuning and let you override it when you disagree.

Why keeping the pitch is not the same as transposing

Transposing a chart means finding new positions for the notes. That sounds harmless and it wrecks guitar lessons, because a guitar lesson is usually about where your hands are rather than about which pitches come out.

Move a note to a different string and you have changed the picking pattern. A lesson built on crossing from the D string to the G string now crosses somewhere else, which is the one thing it existed to teach. Chord voicings pick up two notes on one string, which is unplayable. Hammer-ons and pull-offs get separated from the note they hang off, and a hammer-on across two strings is not a hammer-on.

The way to avoid all of that is to work per string. Every string in your tuning is some number of semitones away from where the lesson expects it, so every note on that string moves by that many frets and stays exactly where it was otherwise. Voicings stay one note per string. Legato chains stay on one string. The crossings stay the crossings that were written. It is also nearly free to compute, which matters when it has to happen before a count-in.

What happens when the lesson cannot move?

Sometimes it cannot. A note gets pushed past the end of the neck. A natural harmonic only exists over a fixed fret, so it cannot slide three frets along and stay a harmonic. An open E major chord is a particular six-string shape that does not exist in all fourths at all.

The dishonest option is to move it anyway and let the player find out by failing. Guitar Quest refuses instead: a lesson it cannot move cleanly is played exactly as it was written, in the tuning it was written in, behind a banner that names your tuning and says why. You can still play it. You will just be playing it in a different key from the one your guitar is currently sitting in, and you will know that before you start rather than after.

Measured across the whole catalogue on 29 August 2026: of the 7,154 combinations of a guitar lesson and a tuning, 6,957 move cleanly. That is 97.2 percent. The worst tuning is Open A, where 458 of the 511 lessons transpose and 53 are played as authored. Open E is close behind. Drop D loses five.

Those numbers are the argument. An app that claimed 100 percent would be one that had decided to move things it should not have moved. Guitar Quest is where this is built. It is $30 once, and the demo is free.

Which alternate tunings can you practice lessons in?

Fourteen on guitar, counting standard: E standard, E flat standard, D standard, C sharp standard and C standard; Drop D, Drop C sharp and Drop C; DADGAD; Open D, Open E, Open G and Open A; and all fourths.

Four on bass, counting standard: E standard, E flat standard, D standard and Drop D. A bassist sees those four and nothing else, because a guitar tuning applied to a four-string bass is not a tuning, it is a bug.

If you are new to any of these, the guide to alternate tunings covers what each one is for, and Drop D has its own page since it is where most people start. Get there with the browser tuner, which offers the same list as a target and does not quietly change what your lessons are being judged against.

Why is Drop B missing?

Because the microphone cannot hear it well enough to judge you fairly.

Pitch detection has a floor. Below a certain frequency the reading stops being reliable, and this one stops at 60 Hz on guitar and 33 Hz on bass. Drop B puts your bottom string at B1, which is 61.74 Hz, and that is close enough to the floor that a string which has drifted slightly flat falls under it. A four-string bass in C standard puts its bottom string at 32.70 Hz, which is already below.

Shipping those two would mean low-string notes timing out instead of being marked wrong, which is the worst failure a listening app has: you played it, correctly, and the software said nothing. So the tuning list stops where the detector stops. It is a shorter list than it could be, and every entry on it works.

What about the tab you are reading while you play?

Worth checking in anything you use. The string labels down the side of a tab are normally hardcoded to e B G D A E, because whoever built the renderer only had one tuning in mind. If the fret numbers have been rewritten for Drop C and the labels still say E on the bottom, the page is lying to you in small print.

The labels should follow the tuning. Drop C shows a C on the bottom string. Open G shows a D. The same is true of standard notation and of a scrolling note highway, if the app offers those, and it is worth knowing what each of those views is good for.

What should you do if you play in an alternate tuning?

If you are in a uniform detune, almost nothing needs to change. Play the fret numbers as written, accept that everything sounds lower, and get on with it. Any app will let you do that, whether or not it admits it.

If you are in Drop D, DADGAD or an open tuning, you need software that moves the chart, and most of it will not. The one thing worth checking before you commit to anything is what it does when it cannot: whether it tells you, or whether it silently hands you a lesson that is no longer the lesson. Guitar Quest transposes into whichever of the fourteen tunings you are in and says so out loud when it will not. The demo runs in the browser with no account and nothing to install.