Centerline

Available now on Android

Alternate tuning guide

DADGAD tuner guide for guitar

DADGAD keeps the guitar open, droning, and spacious. It is also the first Centerline preset where repeated note names matter more than the raw string count: two Ds, two As, and only one G in the middle. The public Android app can still get you there reliably, but the cleanest approach is to tune one course at a time and mute the neighbors so the nearest-target detection stays obvious.

Get it onGoogle Play

Free standard tuningUS $3.99 one-time unlock

String order

Start from the outside, then settle the inner pair.

The outer two strings both end on D, which gives DADGAD its wide drone. Tune the sixth string down to D first, then confirm the first string lands on the higher D only after the middle of the guitar is quiet. The same logic applies to the A pair: get the fifth string right before you touch the second. If you strum all six strings too soon, the public nearest-note logic has to sort through two Ds and two As at once.

This is where All strings becomes useful as a finishing pass rather than a starting point. Once each string has already been placed on its own, the grid view can show which notes are still wobbling. For the first pass, Guitar or Simple stays more direct.

Centerline workflow

  1. Unlock the alternate tunings once, then choose DADGAD inside Centerline.
  2. Tune the sixth string to D, the fifth to A, the fourth to D, and the third to G.
  3. Mute the lower strings before tuning the second A and first D so repeated notes do not blur together.
  4. Use Strobe for the final tiny correction if the open strings keep drifting after the first hit.
  5. Run All strings at the end to spot any string that moved while the neck settled.

What Centerline does well today

  • The Android release gives you four shipping displays: Simple, Guitar, Strobe, and All strings.
  • DADGAD is available after the one-time unlock. There is no recurring plan attached to that purchase.
  • The preset works best when you want a dependable DADGAD target without building a custom tuning from scratch.

Repeated-note tunings reward clean plucks. If the whole guitar is ringing, pause, damp the neighboring strings, and ask the app the simpler question.

Why players use it

Big suspended chords without losing the low drone.

DADGAD is popular in Celtic, modal, and fingerstyle writing because the open strings keep sounding musical even before a full chord shape is fretted. That same openness can make tuning feel less intuitive at first, because you are no longer hearing the usual E-A-D-G-B-E ladder. Centerline helps by keeping the live note name large and by letting you switch between quick centering and Strobe precision without replucking.

If you move into DADGAD often, leave a few extra seconds for the neck to settle after the sixth string comes down. A guitar that was stable in standard can relax into this tuning in stages, and the repeated Ds make small drifts easier to hear than they are to ignore.

Related guides

More Centerline tuning references

Drop D tunerLower only the sixth string and cross-check it against the middle D. Open G tunerAnother repeated-note setup, tuned for slide and wide open chords. Half step downLower every string together instead of rebuilding the chord map. A4 calibrationShift the reference pitch when another instrument is not sitting at 440. Strobe vs needleDecide whether you need a fast answer or a slower final settle. Privacy policyRead the on-device audio promise and the website's sanitized analytics rules.

These notes describe the Centerline Android release available today.