!!!pid:				pid52932-06
!!!performer:			Rosen
!!!year:			1989
!!!track_duration:		260.679 seconds
!!!mazurka_id:			mazurka17-4
!!!mazurka_title:		Mazurka in A Minor, Op. 17, No. 4
!!!performance_beats:		396
!!!performance_duration:	251.526 seconds
!!!performance_avg_tempo:	MM 94.46