!!!pid:				pid9062-04
!!!performer:			Biret
!!!year:			1990
!!!track_duration:		47.392 seconds
!!!mazurka_id:			mazurka06-4
!!!mazurka_title:		Mazurka in E-flat Minor, Op. 6, No. 4
!!!performance_beats:		121
!!!performance_duration:	35.67 seconds
!!!performance_avg_tempo:	MM 203.53