ChordB♭137-string · Standard B♭ dominant thirteenth · Frets 4–6 BEADGBE4R31395♭7noteB♭DGCFA♭roleR31395♭7fret655564frets 4–6C1C2C3C4C5C6RootB♭1stD2ndF3rdA♭ StrumArpeggio