DragTypes:
| "author"
| "bar"
| "brace"
| "clef"
| "composer"
| "dynamicDecoration"
| "ending"
| "extraText"
| "freeText"
| "keySignature"
| "note"
| "part"
| "partOrder"
| "rhythm"
| "slur"
| "subtitle"
| "tempo"
| "timeSignature"
| "title"
| "unalignedWords"
| "voiceName"