Well Peter, I guess I'm with Eric on this one. I have yet to find a chord accurately notated in commercial music that I could not reproduce with layering. Here's a real beauty (layer the staves):
!NoteWorthyComposerClip(2.0,Single)
|Clef|Type:Bass
|TimeSig|Signature:6/8|Visibility:Never
|Note|Dur:8th|Pos:14x|Opts:Stem=Up,StemLength=1,Beam=First,NoLegerLines,Muted|Visibility:Never
|Note|Dur:16th|Pos:#6|Opts:Stem=Up,StemLength=7,Beam
|Note|Dur:16th|Pos:3|Opts:Stem=Up,Beam
|Note|Dur:8th,Slur|Pos:#-1|Opts:Stem=Up,StemLength=11,Beam=End,XNoteSpace=1
|Note|Dur:8th|Pos:0|Opts:Stem=Up,Slur=Upward,StemLength=11,Beam=First,XNoteSpace=1,Muted
|Note|Dur:8th|Pos:b4|Opts:Stem=Up,Beam
|Note|Dur:8th|Pos:b7|Opts:Stem=Up,Beam=End
|Bar
!NoteWorthyComposerClip-End
!NoteWorthyComposerClip(2.0,Single)
|Clef|Type:Bass
|TimeSig|Signature:6/8|Visibility:Never
|Chord|Dur:8th,Staccato|Pos:b1,3|Opts:Stem=Down,StemLength=10,Beam=First,ArticulationsOnStem
|Chord|Dur:8th,Staccato|Pos:-4,1|Opts:Stem=Down,Beam,ArticulationsOnStem
|Chord|Dur:8th,Staccato|Pos:1,3|Opts:Stem=Down,StemLength=10,Beam=End,ArticulationsOnStem
|Text|Text:" "|Font:StaffBold|Pos:8|Wide:Y|Justify:Center
|Chord|Dur:8th,Staccato|Pos:b0z,b2,b4|Opts:Stem=Down,StemLength=9,Beam=First,ArticulationsOnStem
|Chord|Dur:8th,Staccato|Pos:b-3,2|Opts:Stem=Down,Beam,ArticulationsOnStem
|Chord|Dur:8th,Staccato|Pos:2,4|Opts:Stem=Down,StemLength=11,Beam=End,ArticulationsOnStem
|Bar
!NoteWorthyComposerClip-End
The muted XNote receives a Dnat from the right hand.