!!!pid:				pid9107c-11
!!!performer:			Cortot
!!!year:			1957
!!!track_duration:		69.487 seconds
!!!mazurka_id:			mazurka30-2
!!!mazurka_title:		Mazurka in B Minor, Op. 30, No. 2
!!!performance_beats:		145
!!!performance_duration:	61.57 seconds
!!!performance_avg_tempo:	MM 141.3