ChordC–F–B♭–E♭HardMandolin · Standard C quartal chord, four notes · also Cm7(add11), no 5th · Frets 11–17 GDAE11R4♭7♭3noteCFB♭E♭roleR4♭7♭3fret17151311frets 11–17C3C4C5C6C7Fourths, stacked on the first note in its name StrumArpeggio