MEI supported elements
att.augmentDots, att.beamSecondary, att.color, att.coord, att.cue, att.duration.gestural, att.duration.logical, att.duration.quality, att.durationRatio, att.facsimile, att.fermataPresent, att.graced, att.labelled, att.linking, att.staffIdent, att.stems, att.stems.cmn, att.tiePresent, att.typed, att.visibility
att.augmentDots, att.beamSecondary, att.color, att.coord, att.duration.gestural, att.duration.logical, att.duration.quality, att.durationRatio, att.facsimile, att.fermataPresent, att.intervalMelodic, att.labelled, att.linking, att.ncForm, att.note.ges, att.octave, att.pitch, att.staffIdent, att.staffLoc, att.staffLoc.pitched, att.typed
att.augmentDots, att.beamSecondary, att.color, att.coloration, att.coord, att.cue, att.duration.gestural, att.duration.logical, att.duration.quality, att.durationRatio, att.extSym, att.facsimile, att.fermataPresent, att.graced, att.labelled, att.linking, att.midiVelocity, att.note.ges, att.noteGesTab, att.noteHeads, att.noteVisMensural, att.octave, att.pitch, att.staffIdent, att.staffLoc, att.staffLoc.pitched, att.stems, att.stems.cmn, att.tiePresent, att.typed, att.visibility
att.augmentDots, att.beamSecondary, att.color, att.coord, att.cue, att.duration.gestural, att.duration.logical, att.duration.quality, att.durationRatio, att.extSym, att.facsimile, att.fermataPresent, att.labelled, att.linking, att.restVisMensural, att.staffIdent, att.staffLoc, att.staffLoc.pitched, att.typed