diff --git a/Incremental Scripts/2_step(1).ipynb b/Incremental Scripts/2_step(1).ipynb
new file mode 100644
index 0000000..61687a2
--- /dev/null
+++ b/Incremental Scripts/2_step(1).ipynb	
@@ -0,0 +1,322 @@
+{
+ "metadata": {
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.6"
+  },
+  "orig_nbformat": 2,
+  "kernelspec": {
+   "name": "python366jvsc74a57bd04fe30445ef53ac03b693547ad1486ea9656bbc56cc52e4778be38c3ffeb725e0",
+   "display_name": "Python 3.6.6 64-bit"
+  },
+  "metadata": {
+   "interpreter": {
+    "hash": "4fe30445ef53ac03b693547ad1486ea9656bbc56cc52e4778be38c3ffeb725e0"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2,
+ "cells": [
+  {
+   "source": [
+    "This thingy will document stuff"
+   ],
+   "cell_type": "markdown",
+   "metadata": {}
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "execute_result",
+     "data": {
+      "text/plain": [
+       "8"
+      ]
+     },
+     "metadata": {},
+     "execution_count": 23
+    }
+   ],
+   "source": [
+    "import pandas as pd\n",
+    "\n",
+    "data = {'key_number' :list(range(1,9)) }\n",
+    "\n",
+    "\n",
+    "key_bindings = pd.DataFrame(data)\n",
+    "key_bindings\n",
+    "len(key_bindings)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "pygame 1.9.6\nHello from the pygame community. https://www.pygame.org/contribute.html\n"
+     ]
+    }
+   ],
+   "source": [
+    "from pygame import midi\n",
+    "\n",
+    "# initalise reading midi input\n",
+    "\n",
+    "midi.init()\n",
+    "\n",
+    "input = midi.Input(1)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "Please press key number 1\n",
+      "Please press key number 2\n",
+      "Please press key number 2\n",
+      "Please press key number 3\n",
+      "Please press key number 3\n",
+      "Please press key number 4\n",
+      "Please press key number 4\n",
+      "Please press key number 5\n",
+      "Please press key number 5\n",
+      "Please press key number 6\n",
+      "Please press key number 6\n",
+      "Please press key number 7\n",
+      "Please press key number 7\n",
+      "Please press key number 8\n",
+      "Please press key number 8\n",
+      "Thanks\n"
+     ]
+    }
+   ],
+   "source": [
+    "key_id = list()\n",
+    "while True:\n",
+    "    if input.poll():\n",
+    "        print(\"Please press key number\",len(key_id)+1)\n",
+    "        key = input.read(100)\n",
+    "        key = key[0][0]\n",
+    "        \n",
+    "        key_num, sensitivity = key[1],key[2]\n",
+    "\n",
+    "        if sensitivity !=0:\n",
+    "            key_id.append(key_num)\n",
+    "        \n",
+    "        if len(key_id) ==8:\n",
+    "            print(\"Thanks\")\n",
+    "            break\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "execute_result",
+     "data": {
+      "text/plain": [
+       "[112, 113, 114, 115, 116, 117, 118, 119]"
+      ]
+     },
+     "metadata": {},
+     "execution_count": 3
+    }
+   ],
+   "source": [
+    "key_id"
+   ]
+  },
+  {
+   "source": [
+    "Nice now we need to add this column to the df we have created and print it"
+   ],
+   "cell_type": "markdown",
+   "metadata": {}
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "key_bindings.loc[:,\"key_id\"] = key_id\n",
+    "\n",
+    "key_bindings.to_csv(\"key_bindings.csv\")"
+   ]
+  },
+  {
+   "source": [
+    "# Next step"
+   ],
+   "cell_type": "markdown",
+   "metadata": {}
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os\n",
+    "\n",
+    "key_bindings = pd.read_csv('./key_bindings.csv')\n",
+    "\n",
+    "note_files = os.listdir('./Notes')\n",
+    "\n",
+    "key_bindings.loc[:,\"note_files\"] = note_files\n",
+    "\n",
+    "path = key_bindings.iloc[0,3]\n",
+    "\n",
+    "\n",
+    "from PIL import Image\n",
+    "\n",
+    "img = Image.open(\"./Notes/\" + path)\n",
+    "\n",
+    "img.show()\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "pygame 1.9.6\n",
+      "Hello from the pygame community. https://www.pygame.org/contribute.html\n",
+      "Please press key number 1\n"
+     ]
+    },
+    {
+     "output_type": "error",
+     "ename": "IndexError",
+     "evalue": "list index out of range",
+     "traceback": [
+      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[1;31mIndexError\u001b[0m                                Traceback (most recent call last)",
+      "\u001b[1;32m<ipython-input-1-ad318990b60e>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m     11\u001b[0m     \u001b[1;32mif\u001b[0m \u001b[0minput\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mpoll\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;32mand\u001b[0m \u001b[0minput\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mread\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;36m100\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m2\u001b[0m\u001b[1;33m]\u001b[0m \u001b[1;33m!=\u001b[0m \u001b[1;36m0\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     12\u001b[0m         \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Please press key number\"\u001b[0m\u001b[1;33m,\u001b[0m\u001b[0mlen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mkey_id\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m+\u001b[0m\u001b[1;36m1\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 13\u001b[1;33m         \u001b[0mkey\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0minput\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mread\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;36m100\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m2\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     14\u001b[0m         \u001b[1;31m#key = key\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     15\u001b[0m         \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
+      "\u001b[1;31mIndexError\u001b[0m: list index out of range"
+     ]
+    }
+   ],
+   "source": [
+    "from pygame import midi\n",
+    "\n",
+    "# initalise reading midi input\n",
+    "\n",
+    "midi.init()\n",
+    "\n",
+    "input = midi.Input(1)\n",
+    "\n",
+    "key_id = list()\n",
+    "while True:\n",
+    "    print(\"Please press key number\",len(key_id)+1)\n",
+    "    if input.poll():\n",
+    "        \n",
+    "        print(\"Please press key number\",len(key_id)+1)\n",
+    "        key = input.read(100)[0][0]\n",
+    "        \n",
+    "        #key_num, sensitivity = key[1],key[2]\n",
+    "\n",
+    "        #if sensitivity !=0:\n",
+    "        #    print(\"Hi\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "pygame 1.9.6\n",
+      "Hello from the pygame community. https://www.pygame.org/contribute.html\n",
+      "112\n"
+     ]
+    }
+   ],
+   "source": [
+    "# This script will take the csv we produced last time and show a picture when a key is pressed down\n",
+    "\n",
+    "from PIL import Image\n",
+    "import pandas as pd\n",
+    "key_bindings = pd.read_csv('./key_bindings.csv')\n",
+    "\n",
+    "\n",
+    "from pygame import midi\n",
+    "\n",
+    "midi.init()\n",
+    "\n",
+    "input = midi.Input(1)\n",
+    "\n",
+    "\n",
+    "while True:\n",
+    "    if input.poll():\n",
+    "        midi_key = input.read(100)[0][0]\n",
+    "        key_id, key_sensitivity = midi_key[1], midi_key[2]\n",
+    "\n",
+    "        if key_sensitivity != 0:\n",
+    "            print(key_id)\n",
+    "            path = key_bindings.loc[key_bindings.loc[:,\"key_id\"] == key_id,\"note_files\"].item()\n",
+    "            break\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "execute_result",
+     "data": {
+      "text/plain": [
+       "'1_Treble_C4_Natural.png'"
+      ]
+     },
+     "metadata": {},
+     "execution_count": 10
+    }
+   ],
+   "source": [
+    "key_bindings.loc[key_bindings.loc[:,\"key_id\"] == key_id,\"note_files\"]\n",
+    "\n",
+    "key_bindings.loc[key_bindings[\"key_id\"]==key_id, \"note_files\"].item()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ]
+}
\ No newline at end of file
diff --git a/piano_package/test/__init__.py b/piano_package/test/__init__.py
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diff --git a/piano_package/test/test_piano.py b/piano_package/test/test_piano.py
new file mode 100644
index 0000000..6d9c532
--- /dev/null
+++ b/piano_package/test/test_piano.py
@@ -0,0 +1,116 @@
+import unittest
+
+
+import piano_package as pp
+
+
+class TestNotes(unittest.TestCase):
+    """
+    This test function checks whether the correct notes are loaded with the initialisation function
+    Because if the wrong notes are loaded, the whole programm doesn't work.
+    """
+
+    def test_read_launchpad(self):
+        device, config_file_df, path = pp.setup_midi(device="launchpad")
+
+        test_list = [
+            "1_Treble_C4_Natural.png",
+            "2_Treble_D4_Natural.png",
+            "3_Treble_E4_Natural.png",
+            "4_Treble_F4_Natural.png",
+            "5_Treble_G4_Natural.png",
+            "6_Treble_A4_Natural.png",
+            "7_Treble_B4_Natural.png",
+            "8_Treble_C5_Natural.png",
+        ]
+        self.assertEqual(first=config_file_df.note_files.tolist(), second=test_list)
+
+    def test_read_piano(self):
+        device, config_file_df, path = pp.setup_midi(device="piano1")
+        test_list = [
+            "16_Note-Bass-C2.png",
+            "17_Note-Bass-C2s.png",
+            "17_Note-Bass-D2b.png",
+            "18_Note-Bass-D2.png",
+            "19_Note-Bass-D2s.png",
+            "19_Note-Bass-E2b.png",
+            "20_Note-Bass-E2.png",
+            "21_Note-Bass-F2.png",
+            "22_Note-Bass-F2s.png",
+            "22_Note-Bass-G2b.png",
+            "23_Note-Bass-G2.png",
+            "24_Note-Bass-A2b.png",
+            "24_Note-Bass-G2s.png",
+            "25_Note-Bass-A2.png",
+            "26_Note-Bass-A2s.png",
+            "26_Note-Bass-B2b.png",
+            "27_Note-Bass-B2.png",
+            "28_Note-Bass-C3.png",
+            "29_Note-Bass-C3s.png",
+            "29_Note-Bass-D3b.png",
+            "30_Note-Bass-D3.png",
+            "31_Note-Bass-D3s.png",
+            "31_Note-Bass-E3b.png",
+            "32_Note-Bass-E3.png",
+            "33_Note-Bass-F3.png",
+            "34_Note-Bass-F3s.png",
+            "34_Note-Bass-G3b.png",
+            "35_Note-Bass-G3.png",
+            "36_Note-Bass-A3b.png",
+            "36_Note-Bass-G3s.png",
+            "36_Note-Treble-A3b.png",
+            "37_Note-Bass-A3.png",
+            "37_Note-Treble-A3.png",
+            "38_Note-Bass-A3s.png",
+            "38_Note-Bass-B3b.png",
+            "38_Note-Treble-A3s.png",
+            "38_Note-Treble-B3b.png",
+            "39_Note-Bass-B3.png",
+            "39_Note-Treble-B3.png",
+            "40_Note-Bass-C4.png",
+            "40_Note-Treble-C4.png",
+            "41_Note-Bass-C4s.png",
+            "41_Note-Bass-D4b.png",
+            "41_Note-Treble-C4s.png",
+            "41_Note-Treble-D4b.png",
+            "42_Note-Bass-D4.png",
+            "42_Note-Treble-D4.png",
+            "43_Note-Bass-D4s.png",
+            "43_Note-Bass-E4b.png",
+            "43_Note-Treble-D4s.png",
+            "43_Note-Treble-E4b.png",
+            "44_Note-Bass-E4.png",
+            "44_Note-Treble-E4.png",
+            "45_Note-Treble-F4.png",
+            "46_Note-Treble-F4s.png",
+            "46_Note-Treble-G4b.png",
+            "47_Note-Treble-G4.png",
+            "48_Note-Treble-A4b.png",
+            "48_Note-Treble-G4s.png",
+            "49_Note-Treble-A4.png",
+            "50_Note-Treble-A4s.png",
+            "50_Note-Treble-B4b.png",
+            "51_Note-Treble-B4.png",
+            "52_Note-Treble-C5.png",
+            "53_Note-Treble-C5s.png",
+            "53_Note-Treble-D5b.png",
+            "54_Note-Treble-D5.png",
+            "55_Note-Treble-D5s.png",
+            "55_Note-Treble-E5b.png",
+            "56_Note-Treble-E5.png",
+            "57_Note-Treble-F5.png",
+            "58_Note-Treble-F5s.png",
+            "58_Note-Treble-G5b.png",
+            "59_Note-Treble-G5.png",
+            "60_Note-Treble-A5b.png",
+            "60_Note-Treble-G5s.png",
+            "61_Note-Treble-A5.png",
+            "62_Note-Treble-A5s.png",
+            "62_Note-Treble-B5b.png",
+            "63_Note-Treble-B5.png",
+        ]
+        self.assertEqual(first=config_file_df.note_files.tolist(), second=test_list)
+
+
+if __name__ == "__main__":
+    unittest.main()