diff --git a/cover_song_identification.py b/cover_song_identification.py
index 4164631..80c6a63 100644
--- a/cover_song_identification.py
+++ b/cover_song_identification.py
@@ -18,25 +18,19 @@ import essentia.standard as estd
 from essentia.pytools.spectral import hpcpgram
 
 import IPython
-#IPython.display.Audio('./en_vogue+Funky_Divas+09-Yesterday.mp3')
-#IPython.display.Audio('./beatles+1+11-Yesterday.mp3')
-#IPython.display.Audio('./aerosmith+Live_Bootleg+06-Come_Together.mp3')
 
 yesterday_original = 'audio/Yesterday (Remastered 2009).mp3'
 yesterday_cover_01 = 'audio/Yesterday - The Beatles - Connie Talbot (Cover).mp3'
-yesterday_cover_02 = 'audio/The Beatles - Yesterday Saxophone Cover Alexandra Ilieva Thomann.mp3'
-different_song = 'audio/Bella Poarch - Build a Btch (Official Music Video).mp3'
+different_song = 'audio/Jacques Brel - Ne Me Quitte Pas.mp3'
 
 IPython.display.Audio(yesterday_original)
 IPython.display.Audio(yesterday_cover_01)
-IPython.display.Audio(yesterday_cover_02)
 IPython.display.Audio(different_song)
 
 # query cover song
 original_song = estd.MonoLoader(filename=yesterday_original, sampleRate=32000)()
 
 true_cover_01 = estd.MonoLoader(filename=yesterday_cover_01, sampleRate=32000)()
-true_cover_02 = estd.MonoLoader(filename=yesterday_cover_02, sampleRate=32000)()
 
 # wrong match
 false_cover_1 = estd.MonoLoader(filename=different_song, sampleRate=32000)()
@@ -46,7 +40,6 @@ false_cover_1 = estd.MonoLoader(filename=different_song, sampleRate=32000)()
 query_hpcp = hpcpgram(original_song, sampleRate=32000)
 
 true_cover_hpcp_1 = hpcpgram(true_cover_01, sampleRate=32000)
-true_cover_hpcp_2 = hpcpgram(true_cover_02, sampleRate=32000)
 
 false_cover_hpcp = hpcpgram(false_cover_1, sampleRate=32000)
 
@@ -84,15 +77,6 @@ plt.ylabel('Yesterday - The Beatles')
 plt.imshow(true_pair_crp_1, origin='lower')
 
 
-true_pair_crp_2 = crp(query_hpcp, true_cover_hpcp_2)
-
-fig = plt.gcf()
-fig.set_size_inches(15.5, 5.5)
-
-plt.title('Cross recurrent plot [1]')
-plt.xlabel('Yesterday accapella cover')
-plt.ylabel('Yesterday - The Beatles')
-plt.imshow(true_pair_crp_2, origin='lower')
 
 
 
@@ -154,23 +138,6 @@ plt.imshow(score_matrix, origin='lower')
 
 print('Cover song similarity distance: %s' % distance)
 
-## other similar
-
-score_matrix, distance = estd.CoverSongSimilarity(disOnset=0.5,
-                                                  disExtension=0.5,
-                                                  alignmentType='serra09',
-                                                  distanceType='asymmetric')(true_pair_crp_2)
-
-fig = plt.gcf()
-fig.set_size_inches(15.5, 5.5)
-
-plt.title('Cover song similarity distance: %s' % distance)
-plt.xlabel('Yesterday accapella cover')
-plt.ylabel('Yesterday - The Beatles')
-plt.imshow(score_matrix, origin='lower')
-
-print('Cover song similarity distance: %s' % distance)
-
 ## Computing cover song similarity distance between Yesterday - accapella cover and Come Together cover - The Aerosmith.
 
 score_matrix, distance = estd.CoverSongSimilarity(disOnset=0.5,
diff --git a/cover_song_stream.py b/cover_song_stream.py
index b3b39b8..c64a2fb 100644
--- a/cover_song_stream.py
+++ b/cover_song_stream.py
@@ -10,9 +10,10 @@ from essentia.pytools.spectral import hpcpgram
 
 yesterday_original = 'audio/Yesterday (Remastered 2009).mp3'
 yesterday_cover_01 = 'audio/Yesterday - The Beatles - Connie Talbot (Cover).mp3'
-wrong_song         = 'audio/Bella Poarch - Build a Btch (Official Music Video).mp3'
+wrong_song         = 'audio/Jacques Brel - Ne Me Quitte Pas.mp3'
 
-song_reference = yesterday_original
+song_reference = yesterday_original	# the original song analysed in normal mode
+song_streaming = wrong_song		# the song get in stream mode to compare to reference
 
 # query cover song
 original_song = estd.MonoLoader(filename=song_reference, sampleRate=32000)()
@@ -27,11 +28,10 @@ true_cover_hpcp = hpcpgram(original_song, sampleRate=32000)
 import essentia.streaming as estr
 from essentia import array, run, Pool
 
-query_filename = wrong_song
 
 # Let's instantiate all the required essentia streaming algorithms
 
-audio = estr.MonoLoader(filename=query_filename, sampleRate=32000)
+audio = estr.MonoLoader(filename=song_streaming, sampleRate=32000)
   
 frame_cutter = estr.FrameCutter(frameSize=4096, hopSize=2048)