bracket.place(optional)Used to state where a tuplet bracket will be placed in relation to the note
                                             heads.
                                             Value conforms to data.STAFFREL.basic.
                                              
                                    bracket.visible(optional)States whether a bracket should be rendered with a tuplet.
                                             Value conforms to data.BOOLEAN.
                                              
                                    dur.visible(optional)Determines if the tuplet duration is visible.
                                             Value conforms to data.BOOLEAN.
                                              
                                    num.format(optional)Controls how the num:numbase ratio is to be displayed. Allowed values are: "count" (Only the num attribute is displayed, , '7'.),  "ratio" (Both the num and numbase attributes are displayed, , '7:4'.)