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Los_Angeles_MIDI_Dataset_Search_and_Explore.ipynb

@@ -312,7 +312,7 @@
     {
       "cell_type": "code",
       "source": [
-        "#@title Plot Totals\n",
+        "#@title Plot totals from MIDI matrixes (legacy)\n",
         "\n",
         "cos_sim = pairwise.cosine_similarity(\n",
         "      totals[0][0][4] \n",
@@ -399,6 +399,127 @@
       "execution_count": null,
       "outputs": []
     },
+    {
+      "cell_type": "code",
+      "source": [
+        "#@title Plot totals from MIDI metadata\n",
+        "\n",
+        "#===============================================================================\n",
+        "\n",
+        "pitches_counts_totals = [0] * 128\n",
+        "\n",
+        "for m in tqdm(meta_data):\n",
+        "  for mm in m[1][10][1]:\n",
+        "    if mm[0] < 128:\n",
+        "      pitches_counts_totals[mm[0]] += mm[1]\n",
+        "\n",
+        "y = range(128)\n",
+        "plt.figure(figsize=(8, 8))\n",
+        "plt.plot(y, pitches_counts_totals)\n",
+        "\n",
+        "plt.title('MIDI Instruments Pitches')\n",
+        "plt.xlabel(\"Ratio\")\n",
+        "plt.ylabel(\"Pitch\")\n",
+        "plt.tight_layout()\n",
+        "plt.plot()\n",
+        "\n",
+        "sim_mat = [ [0]*128 for i in range(128)]\n",
+        "x = 0\n",
+        "\n",
+        "for p in pitches_counts_totals:\n",
+        "  y = 0\n",
+        "  for pp in pitches_counts_totals:\n",
+        "\n",
+        "    sim_mat[x][y] = min(10, (p / pp))\n",
+        "    y += 1\n",
+        "\n",
+        "  x += 1\n",
+        "\n",
+        "cos_sim = pairwise.cosine_similarity(\n",
+        "      sim_mat \n",
+        "  )\n",
+        "plt.figure(figsize=(8, 8))\n",
+        "plt.imshow(sim_mat, cmap=\"inferno\", interpolation=\"none\")\n",
+        "im_ratio = 1\n",
+        "plt.colorbar(fraction=0.046 * im_ratio, pad=0.04)\n",
+        "plt.title('MIDI Instruments Pitches')\n",
+        "plt.xlabel(\"Ratio\")\n",
+        "plt.ylabel(\"Pitch\")\n",
+        "plt.tight_layout()\n",
+        "plt.plot()\n",
+        "\n",
+        "#===============================================================================\n",
+        "\n",
+        "pitches_counts_totals = [1] * 128\n",
+        "\n",
+        "\n",
+        "for m in tqdm(meta_data):\n",
+        "  for mm in m[1][10][1]:\n",
+        "    if mm[0] > 128:\n",
+        "      pitches_counts_totals[mm[0] % 128] += mm[1]\n",
+        "\n",
+        "y = range(128)\n",
+        "plt.figure(figsize=(8, 8))\n",
+        "plt.plot(y, pitches_counts_totals)\n",
+        "\n",
+        "plt.title('MIDI Drums Pitches')\n",
+        "plt.xlabel(\"Ratio\")\n",
+        "plt.ylabel(\"Pitch\")\n",
+        "plt.tight_layout()\n",
+        "plt.plot()\n",
+        "\n",
+        "sim_mat = [ [0]*128 for i in range(128)]\n",
+        "x = 0\n",
+        "\n",
+        "for p in pitches_counts_totals:\n",
+        "  y = 0\n",
+        "  for pp in pitches_counts_totals:\n",
+        "\n",
+        "    sim_mat[x][y] = min(10, (p / pp))\n",
+        "    y += 1\n",
+        "\n",
+        "  x += 1\n",
+        "\n",
+        "cos_sim = pairwise.cosine_similarity(\n",
+        "      sim_mat \n",
+        "  )\n",
+        "plt.figure(figsize=(8, 8))\n",
+        "plt.imshow(sim_mat, cmap=\"inferno\", interpolation=\"none\")\n",
+        "im_ratio = 1\n",
+        "plt.colorbar(fraction=0.046 * im_ratio, pad=0.04)\n",
+        "plt.title('MIDI Drums Pitches')\n",
+        "plt.xlabel(\"Ratio\")\n",
+        "plt.ylabel(\"Pitch\")\n",
+        "plt.tight_layout()\n",
+        "plt.plot()\n",
+        "\n",
+        "#===============================================================================\n",
+        "\n",
+        "patches_counts_totals = [0] * 256\n",
+        "\n",
+        "\n",
+        "for m in tqdm(meta_data):\n",
+        "  for mm in m[1][11][1]:\n",
+        "    patches_counts_totals[mm[0]] += mm[1]\n",
+        "\n",
+        "\n",
+        "y = range(128)\n",
+        "plt.figure(figsize=(8, 8))\n",
+        "plt.plot(y, patches_counts_totals[:128])\n",
+        "\n",
+        "plt.title('MIDI Patches')\n",
+        "plt.xlabel(\"Ratio\")\n",
+        "plt.ylabel('Patch')\n",
+        "plt.tight_layout()\n",
+        "plt.plot()"
+      ],
+      "metadata": {
+        "cellView": "form",
+        "id": "NLo2pUSQjpgg"
+      },
+      "execution_count": null,
+      "outputs": []
+    },
     {
       "cell_type": "markdown",
       "source": [
@@ -622,6 +743,7 @@
         "stop_search_on_exact_match = True #@param {type:\"boolean\"}\n",
         "skip_exact_matches = False #@param {type:\"boolean\"}\n",
         "render_MIDI_to_audio = False #@param {type:\"boolean\"}\n",
+        "download_MIDI = False #@param {type:\"boolean\"}\n",
         "\n",
         "#=================================================================================\n",
         "\n",
@@ -863,7 +985,14 @@
         "\n",
         "except:\n",
         "  pass\n",
+        "#==============================================\n",
         "\n",
+        "if download_MIDI:\n",
+        "  print('=' * 70)\n",
+        "  print('Downloading MIDI file', str(fn) + '.mid')\n",
+        "  files.download(f)\n",
+        "  print('=' * 70)\n",
+        "  \n",
         "#============================================\n",
         "\n",
         "print('Top 100 matches')\n",
@@ -896,10 +1025,11 @@
         "#@markdown NOTE: You can stop the search at any time to render partial results\n",
         "\n",
         "maximum_match_ratio_to_search_for = 1 #@param {type:\"slider\", min:0, max:1, step:0.01}\n",
-        "pitches_counts_cutoff_threshold_ratio = 0.2 #@param {type:\"slider\", min:0, max:1, step:0.05}\n",
+        "pitches_counts_cutoff_threshold_ratio = 0 #@param {type:\"slider\", min:0, max:1, step:0.05}\n",
         "search_transposed_pitches = False #@param {type:\"boolean\"}\n",
         "skip_exact_matches = False #@param {type:\"boolean\"}\n",
         "render_MIDI_to_audio = False #@param {type:\"boolean\"}\n",
+        "download_MIDI = False #@param {type:\"boolean\"}\n",
         "\n",
         "print('=' * 70)\n",
         "print('MIDI Pitches Search')\n",
@@ -1008,7 +1138,15 @@
         "plt.scatter(x,y, c=c)\n",
         "plt.xlabel(\"Time\")\n",
         "plt.ylabel(\"Pitch\")\n",
-        "plt.show()"
+        "plt.show()\n",
+        "\n",
+        "#==============================================\n",
+        "\n",
+        "if download_MIDI:\n",
+        "  print('=' * 70)\n",
+        "  print('Downloading MIDI file', str(fn) + '.mid')\n",
+        "  files.download(f)\n",
+        "  print('=' * 70)"
       ],
       "metadata": {
         "cellView": "form",
@@ -1027,6 +1165,7 @@
         "maximum_match_ratio_to_search_for = 1 #@param {type:\"slider\", min:0, max:1, step:0.01}\n",
         "skip_exact_matches = False #@param {type:\"boolean\"}\n",
         "render_MIDI_to_audio = False #@param {type:\"boolean\"}\n",
+        "download_MIDI = False #@param {type:\"boolean\"}\n",
         "\n",
         "print('=' * 70)\n",
         "print('MIDI Patches Search')\n",
@@ -1122,7 +1261,15 @@
         "plt.scatter(x,y, c=c)\n",
         "plt.xlabel(\"Time\")\n",
         "plt.ylabel(\"Pitch\")\n",
-        "plt.show()"
+        "plt.show()\n",
+        "\n",
+        "#==============================================\n",
+        "\n",
+        "if download_MIDI:\n",
+        "  print('=' * 70)\n",
+        "  print('Downloading MIDI file', str(fn) + '.mid')\n",
+        "  files.download(f)\n",
+        "  print('=' * 70)"
       ],
       "metadata": {
         "cellView": "form",
@@ -1254,6 +1401,7 @@
         "md5_hash_MIDI_file_name = \"d9a7e1c6a375b8e560155a5977fc10f8\" #@param {type:\"string\"}\n",
         "full_path_to_MIDI = \"/content/Los-Angeles-MIDI-Dataset/Come-To-My-Window-Modified-Sample-MIDI.mid\" #@param {type:\"string\"}\n",
         "render_MIDI_to_audio = False #@param {type:\"boolean\"}\n",
+        "download_MIDI = False #@param {type:\"boolean\"}\n",
         "\n",
         "#============================================\n",
         "# MIDI rendering code\n",
@@ -1319,6 +1467,14 @@
         "  plt.ylabel(\"Pitch\")\n",
         "  plt.show()\n",
         "\n",
+        "  #==============================================\n",
+        "\n",
+        "  if download_MIDI:\n",
+        "    print('=' * 70)\n",
+        "    print('Downloading MIDI file', str(fn) + '.mid')\n",
+        "    files.download(f)\n",
+        "    print('=' * 70)\n",
+        "\n",
         "except:\n",
         "  print('File not found!!!')\n",
         "  print('Check the filename!')\n",

los_angeles_midi_dataset_search_and_explore.py

@@ -193,7 +193,7 @@ print('=' * 70)
 
 """# (PLOT TOTALS)"""
 
-#@title Plot Totals
+#@title Plot totals from MIDI matrixes (legacy)
 
 cos_sim = pairwise.cosine_similarity(
       totals[0][0][4] 
@@ -273,6 +273,117 @@ plt.ylabel("Position")
 plt.tight_layout()
 plt.plot()
 
+#@title Plot totals from MIDI metadata
+
+#===============================================================================
+
+pitches_counts_totals = [0] * 128
+
+for m in tqdm(meta_data):
+  for mm in m[1][10][1]:
+    if mm[0] < 128:
+      pitches_counts_totals[mm[0]] += mm[1]
+
+y = range(128)
+plt.figure(figsize=(8, 8))
+plt.plot(y, pitches_counts_totals)
+
+plt.title('MIDI Instruments Pitches')
+plt.xlabel("Ratio")
+plt.ylabel("Pitch")
+plt.tight_layout()
+plt.plot()
+
+sim_mat = [ [0]*128 for i in range(128)]
+x = 0
+
+for p in pitches_counts_totals:
+  y = 0
+  for pp in pitches_counts_totals:
+
+    sim_mat[x][y] = min(10, (p / pp))
+    y += 1
+
+  x += 1
+
+cos_sim = pairwise.cosine_similarity(
+      sim_mat 
+  )
+plt.figure(figsize=(8, 8))
+plt.imshow(sim_mat, cmap="inferno", interpolation="none")
+im_ratio = 1
+plt.colorbar(fraction=0.046 * im_ratio, pad=0.04)
+plt.title('MIDI Instruments Pitches')
+plt.xlabel("Ratio")
+plt.ylabel("Pitch")
+plt.tight_layout()
+plt.plot()
+
+#===============================================================================
+
+pitches_counts_totals = [1] * 128
+
+
+for m in tqdm(meta_data):
+  for mm in m[1][10][1]:
+    if mm[0] > 128:
+      pitches_counts_totals[mm[0] % 128] += mm[1]
+
+y = range(128)
+plt.figure(figsize=(8, 8))
+plt.plot(y, pitches_counts_totals)
+
+plt.title('MIDI Drums Pitches')
+plt.xlabel("Ratio")
+plt.ylabel("Pitch")
+plt.tight_layout()
+plt.plot()
+
+sim_mat = [ [0]*128 for i in range(128)]
+x = 0
+
+for p in pitches_counts_totals:
+  y = 0
+  for pp in pitches_counts_totals:
+
+    sim_mat[x][y] = min(10, (p / pp))
+    y += 1
+
+  x += 1
+
+cos_sim = pairwise.cosine_similarity(
+      sim_mat 
+  )
+plt.figure(figsize=(8, 8))
+plt.imshow(sim_mat, cmap="inferno", interpolation="none")
+im_ratio = 1
+plt.colorbar(fraction=0.046 * im_ratio, pad=0.04)
+plt.title('MIDI Drums Pitches')
+plt.xlabel("Ratio")
+plt.ylabel("Pitch")
+plt.tight_layout()
+plt.plot()
+
+#===============================================================================
+
+patches_counts_totals = [0] * 256
+
+
+for m in tqdm(meta_data):
+  for mm in m[1][11][1]:
+    patches_counts_totals[mm[0]] += mm[1]
+
+
+y = range(128)
+plt.figure(figsize=(8, 8))
+plt.plot(y, patches_counts_totals[:128])
+
+plt.title('MIDI Patches')
+plt.xlabel("Ratio")
+plt.ylabel('Patch')
+plt.tight_layout()
+plt.plot()
+
 """# (LOAD SOURCE MIDI)"""
 
 #@title Load source MIDI
@@ -469,6 +580,7 @@ minimum_match_ratio_to_search_for = 0 #@param {type:"slider", min:0, max:500, st
 stop_search_on_exact_match = True #@param {type:"boolean"}
 skip_exact_matches = False #@param {type:"boolean"}
 render_MIDI_to_audio = False #@param {type:"boolean"}
+download_MIDI = False #@param {type:"boolean"}
 
 #=================================================================================
 
@@ -710,7 +822,14 @@ try:
 
 except:
   pass
+#==============================================
 
+if download_MIDI:
+  print('=' * 70)
+  print('Downloading MIDI file', str(fn) + '.mid')
+  files.download(f)
+  print('=' * 70)
+  
 #============================================
 
 print('Top 100 matches')
@@ -733,10 +852,11 @@ print('=' * 70)
 #@markdown NOTE: You can stop the search at any time to render partial results
 
 maximum_match_ratio_to_search_for = 1 #@param {type:"slider", min:0, max:1, step:0.01}
-pitches_counts_cutoff_threshold_ratio = 0.2 #@param {type:"slider", min:0, max:1, step:0.05}
+pitches_counts_cutoff_threshold_ratio = 0 #@param {type:"slider", min:0, max:1, step:0.05}
 search_transposed_pitches = False #@param {type:"boolean"}
 skip_exact_matches = False #@param {type:"boolean"}
 render_MIDI_to_audio = False #@param {type:"boolean"}
+download_MIDI = False #@param {type:"boolean"}
 
 print('=' * 70)
 print('MIDI Pitches Search')
@@ -847,6 +967,14 @@ plt.xlabel("Time")
 plt.ylabel("Pitch")
 plt.show()
 
+#==============================================
+
+if download_MIDI:
+  print('=' * 70)
+  print('Downloading MIDI file', str(fn) + '.mid')
+  files.download(f)
+  print('=' * 70)
+
 #@title MIDI Patches Search (Fast)
 
 #@markdown NOTE: You can stop the search at any time to render partial results
@@ -854,6 +982,7 @@ plt.show()
 maximum_match_ratio_to_search_for = 1 #@param {type:"slider", min:0, max:1, step:0.01}
 skip_exact_matches = False #@param {type:"boolean"}
 render_MIDI_to_audio = False #@param {type:"boolean"}
+download_MIDI = False #@param {type:"boolean"}
 
 print('=' * 70)
 print('MIDI Patches Search')
@@ -951,6 +1080,14 @@ plt.xlabel("Time")
 plt.ylabel("Pitch")
 plt.show()
 
+#==============================================
+
+if download_MIDI:
+  print('=' * 70)
+  print('Downloading MIDI file', str(fn) + '.mid')
+  files.download(f)
+  print('=' * 70)
+
 #@title Metadata Search
 
 #@markdown You can search the metadata by search query or by MIDI md5 hash file name
@@ -1054,6 +1191,7 @@ else:
 md5_hash_MIDI_file_name = "d9a7e1c6a375b8e560155a5977fc10f8" #@param {type:"string"}
 full_path_to_MIDI = "/content/Los-Angeles-MIDI-Dataset/Come-To-My-Window-Modified-Sample-MIDI.mid" #@param {type:"string"}
 render_MIDI_to_audio = False #@param {type:"boolean"}
+download_MIDI = False #@param {type:"boolean"}
 
 #============================================
 # MIDI rendering code
@@ -1119,6 +1257,14 @@ try:
   plt.ylabel("Pitch")
   plt.show()
 
+  #==============================================
+
+  if download_MIDI:
+    print('=' * 70)
+    print('Downloading MIDI file', str(fn) + '.mid')
+    files.download(f)
+    print('=' * 70)
+
 except:
   print('File not found!!!')
   print('Check the filename!')