!!!pid:				pid9100b-19
!!!performer:			Olejniczac
!!!year:			1990
!!!track_duration:		75.150 seconds
!!!mazurka_id:			mazurka30-2
!!!mazurka_title:		Mazurka in B Minor, Op. 30, No. 2
!!!performance_beats:		193
!!!performance_duration:	67.78 seconds
!!!performance_avg_tempo:	MM 170.85