Chord Composition Example: Unmatched Signpost Chords
The following figure shows a chordmap containing two unmatched signpost chords: a 2CM beginning signpost belonging to groups 1 and 2, and a 2DM end signpost belonging to groups 1 and 3. The chordmap also contains a matched pair of 2EM signposts belonging to groups 1 and 4. Below the chordmap in the figure is a segment in which the Chord Track has been composed from the chordmap, using group markers in the Signpost Track at measures 1, 5, 9, 13, 17, and 21.

The following conditions apply each time the segment's chords are composed:
- 2CM can occur at group markers 1 and 2, but is always preceded by a signpost chord only, without connection chords. This is because no chord path ends in 2CM.
- 2DM can occur in the segment at signposts 1 and 3 and is never followed by connection chords.
- 2EM can occur in the segment at signposts 1 and 4 and is followed by connection chords only when leading to a 2DM signpost chord or another 2EM signpost chord.
- 2CM can be followed by connection chords only when leading to a 2DM or 2EM signpost chord, but not when leading to another 2CM signpost.
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