Some chord shapes are described as ‘movable’, meaning they can be relocated to anywhere on the fretboard with predictable results. Conversely, others – usually shapes including open strings – are not described in this way, implying that they only work in one position. Regular readers will know that we frequently test this imaginary boundary by taking such shapes and moving them to different positions, often with surprising and pleasing results. But what’s important is the sound: Jimmy Page appears to have thought so when he used this chord in Ten Years Gone. We’ve sacrificed the sixth string for this, but we get a chord with extra detail in the high end.