Shenandoah. Alternate Guitar Tuning - DADGAD.
Online Tuner. How to Use the Tuner When you first load the tuner page, your browser should tell you that the applet is signed by Seventh String Limited and that the signature has been verified by a trusted source (Thawte in fact). You will need to click the "Run" or "Ok" or "Trust" button to allow the tuner to run. Chords by Key.