diff --git a/README.md b/README.md
index b5a0b23..ca2540b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,193 @@
 scover
 ===============
+## Install
+- `python -m venv venv`
+- `source venv/bin/activate`
+- `pip install -r requirements.txt`
+
+## Use
+- Run service `python app.py`
+- Request track metadata `curl "http://host:5003/metadata?artist=Coldplay&track=Yellow"`
+
+## Output example
+```
+{
+  "artist": "Coldplay",
+  "cover_art": {
+    "images": [
+      {
+        "approved": true,
+        "back": false,
+        "comment": "",
+        "edit": 25519124,
+        "front": true,
+        "id": "6124185897",
+        "image": "http://coverartarchive.org/release/f9947ec9-c154-4d69-88c2-736f5b772e94/6124185897.png",
+        "thumbnails": {
+          "large": "http://coverartarchive.org/release/f9947ec9-c154-4d69-88c2-736f5b772e94/6124185897-500.jpg",
+          "small": "http://coverartarchive.org/release/f9947ec9-c154-4d69-88c2-736f5b772e94/6124185897-250.jpg"
+        },
+        "types": [
+          "Front"
+        ]
+      }
+    ],
+    "release": "http://musicbrainz.org/release/f9947ec9-c154-4d69-88c2-736f5b772e94"
+  },
+  "metadata": {
+    "artist-credit": [
+      {
+        "artist": {
+          "aliases": [
+            {
+              "begin-date": null,
+              "end-date": null,
+              "locale": null,
+              "name": "\ucf5c\ub4dc\ud50c\ub808\uc774",
+              "primary": null,
+              "sort-name": "\ucf5c\ub4dc\ud50c\ub808\uc774",
+              "type": "Search hint",
+              "type-id": "1937e404-b981-3cb7-8151-4c86ebfc8d8e"
+            },
+            {
+              "begin-date": null,
+              "end-date": null,
+              "locale": "ja",
+              "name": "\u30b3\u30fc\u30eb\u30c9\u30d7\u30ec\u30a4",
+              "primary": null,
+              "sort-name": "\u30b3\u30fc\u30eb\u30c9\u30d7\u30ec\u30a4",
+              "type": "Artist name",
+              "type-id": "894afba6-2816-3c24-8072-eadb66bd04bc"
+            },
+            {
+              "begin-date": null,
+              "end-date": null,
+              "locale": null,
+              "name": "Cold Play",
+              "primary": null,
+              "sort-name": "Cold Play",
+              "type": "Search hint",
+              "type-id": "1937e404-b981-3cb7-8151-4c86ebfc8d8e"
+            },
+            {
+              "begin-date": null,
+              "end-date": "1998",
+              "locale": null,
+              "name": "The Coldplay",
+              "primary": null,
+              "sort-name": "Coldplay, The",
+              "type": "Artist name",
+              "type-id": "894afba6-2816-3c24-8072-eadb66bd04bc"
+            }
+          ],
+          "id": "cc197bad-dc9c-440d-a5b5-d52ba2e14234",
+          "name": "Coldplay",
+          "sort-name": "Coldplay"
+        },
+        "name": "Coldplay"
+      }
+    ],
+    "disambiguation": "live, 2005-09-25: Austin City Limits Music Festival, Zilker Park, Austin, TX, USA",
+    "id": "ccbed18f-559b-42a6-91d6-f2a513849f11",
+    "length": 309000,
+    "releases": [
+      {
+        "artist-credit": [
+          {
+            "artist": {
+              "id": "cc197bad-dc9c-440d-a5b5-d52ba2e14234",
+              "name": "Coldplay",
+              "sort-name": "Coldplay"
+            },
+            "name": "Coldplay"
+          }
+        ],
+        "count": 1,
+        "id": "f9947ec9-c154-4d69-88c2-736f5b772e94",
+        "media": [
+          {
+            "position": 1,
+            "track": [
+              {
+                "id": "859be74d-6e40-379e-a9e7-2a9a665acfc2",
+                "length": 309000,
+                "number": "2",
+                "title": "Yellow"
+              }
+            ],
+            "track-count": 10,
+            "track-offset": 1
+          }
+        ],
+        "release-group": {
+          "id": "20fca74f-a89c-3b25-bf14-8f0d768895ef",
+          "primary-type": "Album",
+          "primary-type-id": "f529b476-6e62-324f-b0aa-1f3e33d313fc",
+          "secondary-type-ids": [
+            "6fd474e2-6b58-3102-9d17-d6f7eb7da0a0"
+          ],
+          "secondary-types": [
+            "Live"
+          ],
+          "title": "2005-09-25: Austin City Limits Music Festival, Zilker Park, Austin, TX, USA",
+          "type-id": "6fd474e2-6b58-3102-9d17-d6f7eb7da0a0"
+        },
+        "status": "Bootleg",
+        "status-id": "1156806e-d06a-38bd-83f0-cf2284a808b9",
+        "title": "2005-09-25: Austin City Limits Music Festival, Zilker Park, Austin, TX, USA",
+        "track-count": 10
+      },
+      {
+        "artist-credit": [
+          {
+            "artist": {
+              "id": "cc197bad-dc9c-440d-a5b5-d52ba2e14234",
+              "name": "Coldplay",
+              "sort-name": "Coldplay"
+            },
+            "name": "Coldplay"
+          }
+        ],
+        "count": 1,
+        "id": "c2444f07-ddc3-42d6-850e-1c9ee369323c",
+        "media": [
+          {
+            "position": 1,
+            "track": [
+              {
+                "id": "c682a83b-6085-3886-a575-633755bf194e",
+                "length": 309000,
+                "number": "2",
+                "title": "Yellow"
+              }
+            ],
+            "track-count": 12,
+            "track-offset": 1
+          }
+        ],
+        "release-group": {
+          "id": "396037a2-ef52-3421-87d0-3d09657ec400",
+          "primary-type": "Album",
+          "primary-type-id": "f529b476-6e62-324f-b0aa-1f3e33d313fc",
+          "secondary-type-ids": [
+            "6fd474e2-6b58-3102-9d17-d6f7eb7da0a0"
+          ],
+          "secondary-types": [
+            "Live"
+          ],
+          "title": "2005-12-09: Austin, TX, USA",
+          "type-id": "6fd474e2-6b58-3102-9d17-d6f7eb7da0a0"
+        },
+        "status": "Bootleg",
+        "status-id": "1156806e-d06a-38bd-83f0-cf2284a808b9",
+        "title": "2005-12-09: Austin, TX, USA",
+        "track-count": 12
+      }
+    ],
+    "score": 100,
+    "title": "Yellow",
+    "video": null
+  },
+  "track": "Yellow"
+}
+```
\ No newline at end of file
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..3200e6c
--- /dev/null
+++ b/app.py
@@ -0,0 +1,54 @@
+from flask import Flask, request, jsonify
+import requests
+
+app = Flask(__name__)
+
+def get_metadata_musicbrainz(artist, track):
+    url = "https://musicbrainz.org/ws/2/recording/"
+    params = {
+        'query': f'artist:"{artist}" recording:"{track}"',
+        'fmt': 'json'
+    }
+    response = requests.get(url, params=params)
+    if response.status_code == 200:
+        return response.json()
+    else:
+        return None
+
+def get_cover_art(release_id):
+    url = f"http://coverartarchive.org/release/{release_id}"
+    response = requests.get(url)
+    if response.status_code == 200:
+        return response.json()
+    else:
+        return None
+
+@app.route('/metadata', methods=['GET'])
+def metadata():
+    artist = request.args.get('artist')
+    track = request.args.get('track')
+    
+    if not artist or not track:
+        return jsonify({"error": "Params 'artist' & 'track' is require"}), 400
+
+    metadata = get_metadata_musicbrainz(artist, track)
+    if not metadata or 'recordings' not in metadata or len(metadata['recordings']) == 0:
+        return jsonify({"error": "Metadata not found"}), 404
+
+    recording = metadata['recordings'][0]
+    
+    cover_art = None
+    if 'releases' in recording and len(recording['releases']) > 0:
+        release_id = recording['releases'][0]['id']
+        cover_art = get_cover_art(release_id)
+    
+    result = {
+        "artist": artist,
+        "track": track,
+        "metadata": recording,
+        "cover_art": cover_art  # None, if not found
+    }
+    return jsonify(result)
+
+if __name__ == '__main__':
+    app.run(port=5003, debug=True)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b6947b5
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,12 @@
+blinker==1.9.0
+certifi==2025.1.31
+charset-normalizer==3.4.1
+click==8.1.8
+Flask==3.1.0
+idna==3.10
+itsdangerous==2.2.0
+Jinja2==3.1.5
+MarkupSafe==3.0.2
+requests==2.32.3
+urllib3==2.3.0
+Werkzeug==3.1.3