ChordA♭–DStandard A♭ tritone dyad · Open position EADGBERnoteA♭DroleR♯4fret40fret 4C2C3C4C5Two notes: the first in its name is the lower StrumArpeggio
ChordD–A♭Standard D tritone dyad · Open position EADGBE♭5noteDA♭roleR♭5fret01fret 1C2C3C4C5Two notes: the first in its name is the lower StrumArpeggio
FamousG♯m/DStandard Psycho, 1960 · Bernard Herrmann · nearest shape for the hand EADGBE4R5R♭35RnoteG♯D♯G♯BD♯G♯roleR5R♭35Rfret466444frets 4–6C2C3C4C5RootG♯1stB2ndD♯ StrumArpeggio