Read NWC Dur2/Pos2 chord notes and rest chords at the same offset

music21/_version.py

@@ -47,7 +47,7 @@
 '''
 from __future__ import annotations
 
-__version__ = '11.0.0b15'
+__version__ = '11.0.0b16'
 
 def get_version_tuple(vv):
     v = vv.split('.')

music21/base.py

@@ -26,7 +26,7 @@
 <class 'music21.base.Music21Object'>
 
 >>> music21.VERSION_STR
-'11.0.0b15'
+'11.0.0b16'
 
 Alternatively, after doing a complete import, these classes are available
 under the module "base":

music21/noteworthy/binaryTranslate.py

@@ -1295,23 +1295,13 @@ def restChordMember(self):
         self.data2.append(rest)
 
         def dump(inner_self):
-            build = '|Chord'
-            notes = {}
-            for d in inner_self.data2:
-                if notes.get(d.durationStr) is None:
-                    notes[d.durationStr] = []
-
-                notes[d.durationStr].append(d.alterationStr + str(d.pos) + d.tieInfo)
-
-            i = 0
-            for n in notes:
-                if i == len(notes) - 1:
-                    build += '|Dur2:' + n + '|Pos2:' + ','.join(notes[n])
-                else:
-                    build += '|Dur:' + n + '|Pos:' + ','.join(notes[n])
-                i += 1
-
-            return build
+            *chordNotes, chordRest = inner_self.data2
+            if not chordNotes:
+                return '|Rest|Dur:' + chordRest.durationStr
+            return ('|RestChord|Dur:' + chordRest.durationStr
+                    + '|Dur2:' + chordNotes[0].durationStr
+                    + '|Pos2:' + ','.join(d.alterationStr + str(d.pos) + d.tieInfo
+                                          for d in chordNotes))
 
         self.dumpMethod = dump