It was also used on Led Zeppelin's Going to California Double Drop C/Drop D - C-G-C-F-A-C / D-A-D-G-B-D/Same as [Double] Drop D, but every string is dropped one half step. Used by the acoustic rock band Days of the New. Also used by Our Lady Peace on the song "Starseed", as well as Los Angeles based Alternative band Failure on several songs. Also used by Tremonti on the song "Fall Again", as well as Myles Kennedy on the song "Cry a River" (Mark is tuned to Drop C#)Double Drop C - C-G-C-F-A-COne full step down from Drop D. Used by End and Sevendust on the song "Seasons".Double Drop B - B-F-B-E-G-B / B-G-B-E-A-B/One and one half steps down from Drop D. Used by Aaron Turner of Isis and used by Sevendust on the song "Separate".Double Drop A/Drop B - A-F-A-D-G-A / B-F-B-E-G-BTwo full steps down from Drop D.Double Drop A - A-E-A-D-F-A / A-E-A-D-G-ATwo and one half steps down from Drop D.Double Drop G/Drop A - G-D-G-C-F-G / A-E-A-D-F-AThree full steps down from Drop D.Double Drop G - G-D-G-C-E-GThree and one half steps down from Drop D.Double Drop F/Drop G - F-C-F-B-D-F / G-D-G-B-E-GFour full steps down from Drop D, or two full steps up from Drop D1.Double Drop F - F-C-F-A-D-F / F-C-F-B-D-FFour and one half steps down from Drop D, or one and a half steps up from Drop D1.Double Drop E - E-B-E-A-C-E / E-B-E-A-D-EFive full steps down from Drop D, or one full step up from Drop D1.Double Drop D/Double Drop E - D-A-D-G-C-D / E-B-E-A-C-EFive and one half steps down from Drop D, or one half step up from Drop D1.Double Drop D1 Tuning - D-A-D-G-B-DSix full steps (one octave) down from Double Drop D. Miscellaneous Dad-Gad D-A-d-g-a-d' DADGAD was developed by Davey Graham in the early 1960s when he was travelling in Morocco, to more easily play along with Oud music. Among the first to use this tuning were the folk-blues guitarists of the '60s like Bert Jansch, John Renbourn, Martin Carthy, and John Martyn. It was many years later in the 1970s that it became established for accompanists of traditional music, predominantly Scottish and Irish. Due to this popularity it is sometimes referred to as "Celtic" tuning, although this is misleading given its origin and its primary early use in a quite different field of music. Often vocalized as "Dad-Gad", DADGAD it is