sixteenth note
1.A 64th note or hemidemisemiquaver is indicated by the symbol XXX and is equivalent in duration to half a 32nd note or demisemiquaver, a quarter of a 16th note or semiquaver, an eighth of an 8th note or quaver, a sixteenth of a quarter note or crotchet, a thirty-second of a half note or minim, and a sixty-fourth of a whole note or semibreve.
