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fz.t: PICT0002_Violin-f4-1/30
fz.t: PICT0003_Violin-f5.6-1/15_shaken
fz.t: PICT0004_Violin-f8-1/8_shaken
fz.t: PICT0005_Violin-f2.8-1/30
fz.t: 20180726_203206