diff --git a/notebooks/dataset_analysis/PhonemeCoverage.ipynb b/notebooks/dataset_analysis/PhonemeCoverage.ipynb
index ef93144e..af00deaf 100644
--- a/notebooks/dataset_analysis/PhonemeCoverage.ipynb
+++ b/notebooks/dataset_analysis/PhonemeCoverage.ipynb
@@ -36,7 +36,7 @@
    "source": [
     "# set some vars\n",
     "# TTS_PATH = \"/home/thorsten/___dev/tts/mozilla/TTS\"\n",
-    "CONFIG_FILE = \"/home/erogol/Projects//TTS/TTS/tts/configs/config.json\"\n",
+    "CONFIG_FILE = \"/path/to/config/config.json\"\n",
     "CHARS_TO_REMOVE = \".,:!?'\""
    ]
   },
@@ -54,6 +54,7 @@
     "from TTS.tts.utils.text import phoneme_to_sequence, sequence_to_phoneme\n",
     "from tqdm import tqdm\n",
     "from matplotlib import pylab as plt\n",
+    "from multiprocessing import Pool, cpu_count\n",
     "\n",
     "# extra imports that might not be included in requirements.txt\n",
     "import collections\n",
@@ -65,7 +66,8 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "Collapsed": "false"
+    "Collapsed": "false",
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -73,7 +75,8 @@
     "CONFIG = load_config(CONFIG_FILE)\n",
     "\n",
     "# Load some properties from config.json\n",
-    "CONFIG_METADATA = load_meta_data(CONFIG.datasets)[0]\n",
+    "CONFIG_METADATA = sorted(load_meta_data(CONFIG.datasets)[0])\n",
+    "CONFIG_METADATA = CONFIG_METADATA\n",
     "CONFIG_DATASET = CONFIG.datasets[0]\n",
     "CONFIG_PHONEME_LANGUAGE = CONFIG.phoneme_language\n",
     "CONFIG_TEXT_CLEANER = CONFIG.text_cleaner\n",
@@ -88,7 +91,8 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "Collapsed": "false"
+    "Collapsed": "false",
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -103,31 +107,46 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "Collapsed": "false"
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
-    "# Get phonemes from metadata\n",
-    "phonemes = []\n",
-    "\n",
-    "for phrase in tqdm(CONFIG_METADATA):\n",
-    "    if len(phrase[0]) > 0:\n",
-    "        tmpPhrase = phrase[0].rstrip('\\n')\n",
-    "        for removeChar in CHARS_TO_REMOVE:\n",
-    "            tmpPhrase = tmpPhrase.replace(removeChar,\"\")\n",
-    "        \n",
-    "        seq = phoneme_to_sequence(tmpPhrase, [CONFIG_TEXT_CLEANER], CONFIG_PHONEME_LANGUAGE, CONFIG_ENABLE_EOS_BOS_CHARS)\n",
+    "def get_phoneme_from_sequence(text):\n",
+    "    temp_list = []\n",
+    "    if len(text[0]) > 0:\n",
+    "        temp_text = text[0].rstrip('\\n')\n",
+    "        for rm_bad_chars in CHARS_TO_REMOVE:\n",
+    "            temp_text = temp_text.replace(rm_bad_chars,\"\")\n",
+    "        seq = phoneme_to_sequence(temp_text, [CONFIG_TEXT_CLEANER], CONFIG_PHONEME_LANGUAGE, CONFIG_ENABLE_EOS_BOS_CHARS)\n",
     "        text = sequence_to_phoneme(seq)\n",
     "        text = text.replace(\" \",\"\")\n",
-    "        phonemes.append(text)"
+    "        temp_list.append(text)\n",
+    "    return temp_list"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "Collapsed": "false"
+    "Collapsed": "false",
+    "tags": []
+   },
+   "outputs": [],
+   "source": [
+    "# Get phonemes from metadata\n",
+    "phonemes = []\n",
+    "\n",
+    "with Pool(cpu_count()-1) as p:\n",
+    "    \n",
+    "    phonemes = list(tqdm(p.imap(get_phoneme_from_sequence, CONFIG_METADATA), total=len(CONFIG_METADATA)))\n",
+    "    phonemes = [i for sub in phonemes for i in sub]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "Collapsed": "false",
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -152,7 +171,8 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "Collapsed": "false"
+    "Collapsed": "false",
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -223,9 +243,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.4"
+   "version": "3.6.9-final"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}
\ No newline at end of file