The only thing to add is an example of what the Arpeggiate tool can do for you:
!NoteWorthyComposerClip(2.5,Single)
|Clef|Type:Treble
|Text|Text:"Am7"|Font:StaffBold|Pos:10
|Note|Dur:16th,Grace|Pos:-8^|Opts:Stem=Up,Beam=First
|Note|Dur:16th,Grace|Pos:-4^|Opts:Stem=Up,Beam
|Note|Dur:16th,Grace|Pos:-2^|Opts:Stem=Up,Beam
|Note|Dur:16th,Grace|Pos:1^|Opts:Stem=Up,Beam=End
|Chord|Dur:Half|Pos:-8,-4,-2,1,3
!NoteWorthyComposerClip-End