| bimap | Implements a bijective map |
| FullCue | Provides conversions between numeric note size types and strings |
| guidochord | The guido chord element |
| guidoelement | A generic guido element representation |
| guidonote | A guido note representation |
| guidonoteduration | A guido note duration representation |
| guidonotestatus | Represents the current status of notes duration and octave |
| guidoparam | A guidotag parameter representation |
| guidoseq | The guido sequence element |
| guidotag | A guido tag representation |
| guidovisitable | Interface for visitable guido objects |
| guidovisitor | An abstract generic guido visitor |
| LineType | Provides conversions between numeric line types and strings |
| NoteType | Provides conversions between numeric note types and strings |
| Orientable | Base class for all elements that have an orientation |
| pairmap | Implements a multimap where <key, value> pairs are unique |
| Placementable | Base class for all elements that have a placement |
| Positionable | Base class for all elements that have a position |
| smartable | The base class for smart pointers implementation |
| SMARTP | The smart pointer implementation |
| StartStop | Provides conversions between numeric start-stop types and strings |
| TAccidental | Representation of an accidental |
| TArticulationElement | Articulations and accents definition |
| TArticulations | The MusicXML articulations element |
| TAttributes | Contains musical information that typically changes on measure boundaries |
| TBackup | Represents the MusicXML backup element |
| TBarline | Represents a MusicXML barline element |
| TBeam | Beaming representation |
| TBracket | The MusicXML bracket element |
| TChord | A notes container that denotes a chord |
| TClef | Represents a clef |
| TCoda | Represents the MusicXML coda element |
| TCreator | Represents the author(s) of the score |
| TDashes | Dashes, used for instance with cresc. and dim. marks |
| TDirection | The MusicXML direction element |
| TDirectionType | Represents textual direction indications |
| TDirectionTypeElement | Base class for all the elements of the direction-type element |
| TDirective | Represents musical directives |
| TDynamic | Represents the MusicXML dynamics element |
| TEncoding | Contains information about encoding |
| TEnding | Endings refers to multiple (e.g. first and second) endings |
| TExpression | Represents the expression context of a note |
| TFermata | Represents the fermata sign |
| TForward | Represents the MusicXML forward element |
| TGraceNote | Grace note representation |
| TGraphNote | Represents the graphic elements of a note |
| TIdentification | Contains metadata about the score |
| TKey | Represents a key signature |
| TMeasure | The MusicXML base class for partwise and timewise measure elements |
| TMetronome | Standard metronome marks |
| TMidiDevice | Corresponds to the DeviceName meta event in Standard MIDI Files |
| TMidiInstrument | Represents a MIDI instrument |
| TMusicData | Base class for all the elements of the music-data entity |
| TMusicXMLFile | Provides MusicXML files reading and writing |
| TNodeVisitor | A node Visitor of MusicXML scores |
| TNotation | Represents musical notations |
| TNotationElement | Base class for all the elements of the notation element |
| TNote | TNote is the main common type of the music representation |
| TNoteHead | The shape of the note head |
| TOctaveShift | |
| TOrientation | Represents the MusicXml orientation entity |
| TPart | The base class for the MusicXML timewise and partwise part elements |
| TPartGroup | Indicates groupings of parts in a score |
| TPartList | Identifies the different musical parts in a movement |
| TPartListElement | Base class for the elements of a part-list |
| TPartSummary | Summary of a MusicXML part |
| TPitch | The MusicXML representation of the pitch |
| TPlacement | Represents the MusicXml placement entity |
| TPosition | Represents a MusicXML position entity |
| TPWMeasure | The MusicXML partwise measure element |
| TPWPart | The MusicXML partwise part element |
| TRational | Rational number representation |
| TRepeat | Represents repeat marks |
| TRest | The MusicXML representation of a rest |
| TRights | Contains copyright and other intellectual property notices |
| TRolledVisitor | A visitor that transport a TNodeVisitor along a score |
| TRoutedVisitor | A visitor that implements a traversing of a score |
| TScanVisitor | A visitor that only scans a score to gather information |
| TScore | A MusicXML score |
| TScoreHeader | Contains basic score meta-data plus the part list |
| TScoreInstrument | Represents an instrument on the score |
| TScorePart | Identifies a musical part in a score |
| TScorePartwise | A MusicXML partwise score |
| TScoreTimewise | A MusicXML timewise score |
| TScoreVisitor | A Visitor of MusicXML scores |
| TSegno | Represents the MusicXML segno element |
| TSlur | Slur representation |
| TSound | Represents the MusicXML sound element |
| TStrongAccent | A strong accent representation |
| TSymbolicNoteDuration | The base class for symbolic note duration |
| TTie | Ties representation |
| TTieSlur | Base class for ties and slurs |
| TTimeModification | Represents tuplets and other durational changes |
| TTimeSign | Represents time signatures |
| TTranspose | Used for transposing instruments |
| TTuplet | Graphical representation of a tuplet |
| TTupletActual | An actual tuplet description |
| TTupletDesc | A tuplet description |
| TTupletNormal | A normal tuplet description |
| TTWMeasure | The MusicXML timewise measure element |
| TTWPart | The MusicXML timewise part element |
| TUnpitched | The MusicXML representation of an unpitched note |
| TUnrolledVisitor | A TUnrolledVisitor "unroll" the sequence by interpreting repeat, ending, coda and segno signs |
| TWavyLine | Represents a MusicXML wavy-line element |
| TWedge | The MusicXML wedge element |
| TWords | The MusicXml words element |
| TWork | Represents works and movements |
| TXML2GuidoVisitor | A score visitor to produce a generic Guido representation |
| visitable | Interface for visitable objects |
| vvector | A visitable vector |
| xmlattribute | A generic xml attribute representation |
| xmlelement | A generic xml element representation |
| xmlheader | A class for generating the MusicXM header |
| YesNo | Provides conversions between numeric yes-no types and strings |
1.3.3