!!!pid:				pid9049-19
!!!performer:			Rubinstein
!!!year:			1939
!!!track_duration:		81.648 seconds
!!!mazurka_id:			mazurka30-2
!!!mazurka_title:		Mazurka in B Minor, Op. 30, No. 2
!!!performance_beats:		193
!!!performance_duration:	73.72 seconds
!!!performance_avg_tempo:	MM 157.08