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Cavaquinho tuner
A free cavaquinho tuner in your phone's browser: D G B D, the samba and choro tuning, one string at a time with a needle and the cents; D G B E as a switch.

Steel strings, tight as a leash. Mika says when to stop turning.The microphone closes when you stop, when all is in tune, or after half a minute of quiet. Nothing is recorded.
D4✓
Tap start. Play the D string and let it ring. Without the microphone, tap a note above to hear it.
The strings in Hz
D G B D
| String | Note | Hz |
|---|---|---|
| 4th | D4 | 293.66 |
| 3rd | G4 | 392.00 |
| 2nd | B4 | 493.88 |
| 1st | D5 | 587.33 |
Other tunings
| Tuning | Notes | Hz |
|---|---|---|
| D G B E | D4 G4 B4 E5 | 293.7 · 392.0 · 493.9 · 659.3 |
At A4 = 440 Hz; the reference switch above moves them all.
Cavaquinho tuning: string by string
Cavaquinho tuning, D G B D (D4 G4 B4 D5). The Brazilian cavaquinho is tuned D G B D, low to high: strummed open, it's a G major chord, the sound of samba and pagode. The two D strings are an octave apart; tune the low one first and check the high one against it last, since a wrong octave on the top string is the usual way to break it.
D G B E ("natural" tuning) is the top four strings of a guitar, an octave up, handy if you come from the guitar. Steel strings are tight on a small body: turn slowly near the end, a little goes a long way.
The notes you tuned go into Brumm as a short melody over a beat.
Audio: your microphone, on only after you tap. The sound is analysed in this tab and never sent. Nothing about the audio reaches the visit count.
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