dur.ges(optional)Records performed duration information that differs from the written duration.
                                             Value conforms to data.DURATION.GESTURAL.
                                              
                                    dots.ges(optional)Number of dots required for a gestural duration when different from that of the
                                             written duration.
                                             Value conforms to data.AUGMENTDOT.
                                              
                                    dur.metrical(optional)Duration as a count of units provided in the time signature denominator.
                                             Value is a decimal number.
                                             
                                    dur.ppq(optional)Duration recorded as pulses-per-quarter note, e.g., MIDI clicks or MusicXML
                                             divisions.
                                             Value is a positive integer, including 0.
                                              
                                    dur.real(optional)Duration in seconds, e.g., 1.732.
                                             Value is a decimal number.