diff --git a/common-voice/data1.csv b/common-voice/data1.csv
new file mode 100644
index 000000000..47d926f8a
--- /dev/null
+++ b/common-voice/data1.csv
@@ -0,0 +1,2 @@
+filename,chroma_stft,spectral_centroid,spectral_bandwidth,rolloff,zero_crossing_rate,mfcc1,mfcc2,mfcc3,mfcc4,mfcc5,mfcc6,mfcc7,mfcc8,mfcc9,mfcc10,mfcc11,mfcc12,mfcc13,mfcc14,mfcc15,mfcc16,mfcc17,mfcc18,mfcc19,mfcc20
+abc,0.4072895348072052,1939.0193808422362,1658.0843083382035,3636.03515625,0.133028568706446,-528.5709228515625,119.51168060302734,-18.711517333984375,25.83199119567871,8.349361419677734,-5.02828311920166,-5.585364818572998,5.822653293609619,-24.407264709472656,-8.346760749816895,-13.411121368408203,-15.460763931274414,6.390146255493164,-12.745037078857422,0.24016164243221283,0.793488621711731,-3.4788405895233154,-7.268566608428955,-1.3620158433914185,-3.4514458179473877
diff --git a/common-voice/data11.csv b/common-voice/data11.csv
new file mode 100644
index 000000000..de2086328
--- /dev/null
+++ b/common-voice/data11.csv
@@ -0,0 +1,2 @@
+filename,chroma_stft,spectral_centroid,spectral_bandwidth,rolloff,zero_crossing_rate,mfcc1,mfcc2,mfcc3,mfcc4,mfcc5,mfcc6,mfcc7,mfcc8,mfcc9,mfcc10,mfcc11,mfcc12,mfcc13,mfcc14,mfcc15,mfcc16,mfcc17,mfcc18,mfcc19,mfcc20
+abc,0.306031674,2265.9054,1704.926017,3928.493652,0.191312211,-598.3387451,71.01119995,-19.80405807,5.204765797,-27.71310425,8.217592239,-23.52114296,-24.35530281,-10.05404854,-1.427622437,2.613457441,3.854879141,-13.88341999,0.802484334,7.854939938,-14.83362293,-0.112384036,-0.787256658,3.776043177,-2.338150024
diff --git a/common-voice/voice.mp3 b/common-voice/voice.mp3
new file mode 100644
index 000000000..950b4faaa
Binary files /dev/null and b/common-voice/voice.mp3 differ
diff --git a/common-voice/voice1.mp3 b/common-voice/voice1.mp3
new file mode 100644
index 000000000..8a8bbfaac
Binary files /dev/null and b/common-voice/voice1.mp3 differ