!!!pid:				pid9049-13
!!!performer:			Rubinstein
!!!year:			1939
!!!track_duration:		256.037 seconds
!!!mazurka_id:			mazurka17-4
!!!mazurka_title:		Mazurka in A Minor, Op. 17, No. 4
!!!performance_beats:		396
!!!performance_duration:	248.859 seconds
!!!performance_avg_tempo:	MM 95.48