diff --git a/app/Config/Schema/sonerezh_mysql.php b/app/Config/Schema/sonerezh_mysql.php
index 1600cd8..eb46a23 100644
--- a/app/Config/Schema/sonerezh_mysql.php
+++ b/app/Config/Schema/sonerezh_mysql.php
@@ -8,6 +8,34 @@ public function before($event = array()) {
 	public function after($event = array()) {
 	}
 
+	public $albums = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'unsigned' => false, 'key' => 'primary'),
+		'name' => array('type' => 'string', 'null' => false, 'default' => null, 'key' => 'index', 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'cover' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 37, 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'band_id' => array('type' => 'integer', 'null' => true, 'default' => null, 'unsigned' => false, 'key' => 'index'),
+		'year' => array('type' => 'integer', 'null' => true, 'default' => null, 'length' => 4, 'unsigned' => false),
+		'created' => array('type' => 'timestamp', 'null' => false, 'default' => null),
+		'updated' => array('type' => 'timestamp', 'null' => true, 'default' => null),
+		'indexes' => array(
+			'PRIMARY' => array('column' => 'id', 'unique' => 1),
+			'albums_bands_id_fk' => array('column' => 'band_id', 'unique' => 0),
+			'albums_name_index' => array('column' => 'name', 'unique' => 0)
+		),
+		'tableParameters' => array('charset' => 'utf8mb4', 'collate' => 'utf8mb4_unicode_ci', 'engine' => 'InnoDB')
+	);
+
+	public $bands = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'unsigned' => false, 'key' => 'primary'),
+		'name' => array('type' => 'string', 'null' => false, 'default' => null, 'key' => 'index', 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'created' => array('type' => 'timestamp', 'null' => false, 'default' => null),
+		'updated' => array('type' => 'timestamp', 'null' => true, 'default' => null),
+		'indexes' => array(
+			'PRIMARY' => array('column' => 'id', 'unique' => 1),
+			'bands_name_index' => array('column' => 'name', 'unique' => 0)
+		),
+		'tableParameters' => array('charset' => 'utf8mb4', 'collate' => 'utf8mb4_unicode_ci', 'engine' => 'InnoDB')
+	);
+
 	public $playlist_memberships = array(
 		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 8, 'unsigned' => true, 'key' => 'primary'),
 		'playlist_id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 8, 'unsigned' => true),
@@ -79,6 +107,33 @@ public function after($event = array()) {
 		'tableParameters' => array('charset' => 'utf8', 'collate' => 'utf8_general_ci', 'engine' => 'InnoDB')
 	);
 
+	public $tracks = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'unsigned' => false, 'key' => 'primary'),
+		'title' => array('type' => 'string', 'null' => true, 'default' => null, 'key' => 'index', 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'source_path' => array('type' => 'string', 'null' => false, 'default' => null, 'length' => 4096, 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'playtime' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 9, 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'track_number' => array('type' => 'integer', 'null' => true, 'default' => null, 'length' => 5, 'unsigned' => false),
+		'max_track_number' => array('type' => 'integer', 'null' => true, 'default' => null, 'length' => 5, 'unsigned' => false),
+		'disc_number' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 7, 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'max_disc_number' => array('type' => 'integer', 'null' => true, 'default' => null, 'length' => 5, 'unsigned' => false),
+		'year' => array('type' => 'integer', 'null' => true, 'default' => null, 'length' => 4, 'unsigned' => false),
+		'genre' => array('type' => 'string', 'null' => true, 'default' => null, 'key' => 'index', 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'artist' => array('type' => 'string', 'null' => true, 'default' => null, 'key' => 'index', 'collate' => 'utf8mb4_unicode_ci', 'charset' => 'utf8mb4'),
+		'created' => array('type' => 'timestamp', 'null' => false, 'default' => null),
+		'album_id' => array('type' => 'integer', 'null' => true, 'default' => null, 'unsigned' => false, 'key' => 'index'),
+		'updated' => array('type' => 'timestamp', 'null' => false, 'default' => null),
+		'imported' => array('type' => 'boolean', 'null' => true, 'default' => '1', 'key' => 'index'),
+		'indexes' => array(
+			'PRIMARY' => array('column' => 'id', 'unique' => 1),
+			'tracks_albums_id_fk' => array('column' => 'album_id', 'unique' => 0),
+			'tracks_title_index' => array('column' => 'title', 'unique' => 0),
+			'tracks_artist_index' => array('column' => 'artist', 'unique' => 0),
+			'tracks_genre_index' => array('column' => 'genre', 'unique' => 0),
+			'tracks_imported_index' => array('column' => 'imported', 'unique' => 0)
+		),
+		'tableParameters' => array('charset' => 'utf8mb4', 'collate' => 'utf8mb4_unicode_ci', 'engine' => 'InnoDB')
+	);
+
 	public $users = array(
 		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 5, 'unsigned' => true, 'key' => 'primary'),
 		'email' => array('type' => 'string', 'null' => false, 'default' => null, 'collate' => 'utf8_general_ci', 'charset' => 'utf8'),
diff --git a/app/Config/Schema/sonerezh_pgsql.php b/app/Config/Schema/sonerezh_pgsql.php
index a42a312..4745f02 100644
--- a/app/Config/Schema/sonerezh_pgsql.php
+++ b/app/Config/Schema/sonerezh_pgsql.php
@@ -8,6 +8,34 @@ public function before($event = array()) {
 	public function after($event = array()) {
 	}
 
+	public $albums = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 11, 'key' => 'primary'),
+		'name' => array('type' => 'string', 'null' => false, 'default' => null),
+		'cover' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 37),
+		'band_id' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'year' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'created' => array('type' => 'datetime', 'null' => false, 'default' => null),
+		'updated' => array('type' => 'datetime', 'null' => true, 'default' => null),
+		'indexes' => array(
+			'PRIMARY' => array('unique' => true, 'column' => 'id'),
+			'albums_bands_id_fk' => array('unique' => false, 'column' => 'band_id'),
+			'albums_name_index' => array('unique' => false, 'column' => 'name')
+		),
+		'tableParameters' => array()
+	);
+
+	public $bands = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 11, 'key' => 'primary'),
+		'name' => array('type' => 'string', 'null' => false, 'default' => null),
+		'created' => array('type' => 'datetime', 'null' => false, 'default' => null),
+		'updated' => array('type' => 'datetime', 'null' => true, 'default' => null),
+		'indexes' => array(
+			'PRIMARY' => array('unique' => true, 'column' => 'id'),
+			'bands_name_index' => array('unique' => false, 'column' => 'name')
+		),
+		'tableParameters' => array()
+	);
+
 	public $playlist_memberships = array(
 		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 11, 'key' => 'primary'),
 		'playlist_id' => array('type' => 'integer', 'null' => false, 'default' => null),
@@ -79,6 +107,33 @@ public function after($event = array()) {
 		'tableParameters' => array()
 	);
 
+	public $tracks = array(
+		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 11, 'key' => 'primary'),
+		'title' => array('type' => 'string', 'null' => true, 'default' => null),
+		'source_path' => array('type' => 'string', 'null' => false, 'default' => null, 'length' => 4096),
+		'playtime' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 9),
+		'track_number' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'max_track_number' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'disc_number' => array('type' => 'string', 'null' => true, 'default' => null, 'length' => 7),
+		'max_disc_number' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'year' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'genre' => array('type' => 'string', 'null' => true, 'default' => null),
+		'artist' => array('type' => 'string', 'null' => true, 'default' => null),
+		'created' => array('type' => 'datetime', 'null' => false, 'default' => 'CURRENT_TIMESTAMP'),
+		'album_id' => array('type' => 'integer', 'null' => true, 'default' => null),
+		'updated' => array('type' => 'datetime', 'null' => true, 'default' => 'CURRENT_TIMESTAMP'),
+		'imported' => array('type' => 'boolean', 'null' => true, 'default' => true),
+		'indexes' => array(
+			'PRIMARY' => array('unique' => true, 'column' => 'id'),
+			'tracks_albums_id_fk' => array('unique' => false, 'column' => 'album_id'),
+			'tracks_artist_index' => array('unique' => false, 'column' => 'artist'),
+			'tracks_genre_index' => array('unique' => false, 'column' => 'genre'),
+			'tracks_imported_index' => array('unique' => false, 'column' => 'imported'),
+			'tracks_title_index' => array('unique' => false, 'column' => 'title')
+		),
+		'tableParameters' => array()
+	);
+
 	public $users = array(
 		'id' => array('type' => 'integer', 'null' => false, 'default' => null, 'length' => 11, 'key' => 'primary'),
 		'email' => array('type' => 'string', 'null' => false, 'default' => null),
diff --git a/app/Model/Album.php b/app/Model/Album.php
new file mode 100644
index 0000000..651d691
--- /dev/null
+++ b/app/Model/Album.php
@@ -0,0 +1,105 @@
+<?php
+
+App::uses('AppModel', 'Model');
+
+/**
+ * The Album Model. Represents an album.
+ *
+ * An album is defined with a unique ID, a name, a year and a cover. It belongs
+ * to a Band identified by the "band_id" key and contains one or several Tracks.
+ */
+class Album extends AppModel
+{
+    private $bandId;
+    public $belongsTo = array('Band');
+    public $hasMany = array('Track');
+    public $validate = array(
+        'name' => array(
+            'rule' => array('maxLength', 255),
+            'required' => 'create',
+            'allowEmpty' => false,
+            'message' => 'Album\'s name cannot be empty or exceed 255 characters.'
+        ),
+        'cover' => array(
+            'rule' => array('maxLength', 37),
+            'allowEmpty' => true,
+            'message' => 'Album\'s cover cannot exceed 37 characters.'
+        ),
+        'year' => array(
+            'rule' => array('date', 'y'),
+            'allowEmpty' => true,
+            'message' => 'Invalid album year.'
+        )
+    );
+
+    /**
+     * Allow empty value for the "name" field on update.
+     *
+     * @param array $options
+     * @return bool|void
+     */
+    public function beforeValidate($options = array())
+    {
+        if (isset($this->data[$this->alias]['id'])) {
+            $this->validator()->getField('name')->getRule(0)->allowEmpty = true;
+        }
+    }
+
+    /**
+     * Override the "created" and the "updated" fields to ensure they are
+     * properly filled.
+     *
+     * @param array $options
+     * @return bool
+     */
+    public function beforeSave($options = array())
+    {
+        if (isset($this->data[$this->alias]['id'])) {
+            $this->data[$this->alias]['updated'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['created']);
+        } else {
+            $this->data[$this->alias]['created'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['updated']);
+        }
+        return true;
+    }
+
+    /**
+     * Stores the Band id the deleted album belongs to, to perform further
+     * checks once the record is deleted (the ID is used in the afterDelete()
+     * method).
+     *
+     * @param bool $cascade
+     * @return bool
+     */
+    public function beforeDelete($cascade = false)
+    {
+        $album = $this->find('first', array(
+            'fields' => array('band_id'),
+            'conditions' => array('id' => $this->id)
+        ));
+
+        if (isset($album)) {
+            $this->bandId = $album[$this->alias]['band_id'];
+        }
+        return true;
+    }
+
+    /**
+     * Checks if the Band the deleted album belongs to still have albums, and
+     * deletes it if it's not the case.
+     */
+    public function afterDelete()
+    {
+        if (!empty($this->bandId)) {
+            $neighbours = $this->find('count', array(
+                'conditions' => array('band_id' => $this->bandId)
+            ));
+
+            if ($neighbours == 0) {
+                $band = ClassRegistry::init('Band');
+                $band->delete($this->bandId);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/Model/Band.php b/app/Model/Band.php
new file mode 100644
index 0000000..4c11f64
--- /dev/null
+++ b/app/Model/Band.php
@@ -0,0 +1,53 @@
+<?php
+
+App::uses('AppModel', 'Model');
+
+/**
+ * The Band Model. Represents a band.
+ *
+ * A band is defined with a unique ID and a name. It has one or several albums.
+ */
+class Band extends AppModel
+{
+    public $hasMany = array('Album');
+    public $validate = array(
+        'name' => array(
+            'rule' => array('maxLength', 255),
+            'required' => 'create',
+            'allowEmpty' => false,
+            'message' => 'The band\'s name cannot be empty or exceed 255 characters.'
+        )
+    );
+
+    /**
+     * Allow empty value for the "name" field on update.
+     *
+     * @param array $options
+     * @return bool|void
+     */
+    public function beforeValidate($options = array())
+    {
+        if (isset($this->data[$this->alias]['id'])) {
+            $this->validator()->getField('name')->getRule(0)->allowEmpty = true;
+        }
+    }
+
+    /**
+     * Override the "created" and the "updated" fields to ensure they are
+     * properly filled.
+     *
+     * @param array $options
+     * @return bool
+     */
+    public function beforeSave($options = array())
+    {
+        if (isset($this->data[$this->alias]['id'])) {
+            $this->data[$this->alias]['updated'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['created']);
+        } else {
+            $this->data[$this->alias]['created'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['updated']);
+        }
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/app/Model/Track.php b/app/Model/Track.php
new file mode 100644
index 0000000..e361b84
--- /dev/null
+++ b/app/Model/Track.php
@@ -0,0 +1,125 @@
+<?php
+
+App::uses('AppModel', 'Model');
+
+/**
+ * The Track Model. Represents a track.
+ *
+ * A track is identified with a unique ID and several fields extracted from the
+ * metadata. Only the "source_path" field is mandatory.
+ * A track belongs to an album, identified by the album_id key.
+ */
+class Track extends AppModel
+{
+    private $albumId;
+    public $belongsTo = array('Album');
+    public $validate = array(
+        'title' => array(
+            'rule' => array('maxLength', 255),
+            'message' => 'The title of a track cannot exceed 255 characters.'
+        ),
+        'source_path' => array(
+            'rule' => array('maxLength', 4096),
+            'allowEmpty' => false,
+            'required' => 'create',
+            'message' => 'The source path of a file cannot be empty or exceed 4096 characters.'
+        ),
+        'playtime' => array(
+            'rule' => array('maxLength', 9),
+            'allowEmpty' => true,
+            'message' => 'The playtime cannot exceed 9 characters.'
+        ),
+        'track_number' => array(
+            'rule' => array('naturalNumber', true),
+            'allowEmpty' => true,
+            'message' => 'The track number must be a natural integer.'
+        ),
+        'max_track_number' => array(
+            'rule' => array('naturalNumber', true),
+            'allowEmpty' => true,
+            'message' => 'The max track number must be a natural integer.'
+        ),
+        'disc_number' => array(
+            'rule' => array('naturalNumber', true),
+            'allowEmpty' => true,
+            'message' => 'The disc number must be a natural integer.'
+        ),
+        'max_disc_number' => array(
+            'rule' => array('naturalNumber', true),
+            'allowEmpty' => true,
+            'message' => 'The max disc number must be a natural integer.'
+        ),
+        'year' => array(
+            'rule' => array('date', 'y'),
+            'allowEmpty' => true,
+            'message' => 'Invalid track year.'
+
+        ),
+        'genre' => array(
+            'rule' => array('maxLength', 255),
+            'message' => 'The genre of a track cannot exceed 255 characters.'
+        ),
+        'artist' => array(
+            'rule' => array('maxLength', 255),
+            'message' => 'The artist value cannot exceed 255 characters.'
+        )
+    );
+
+    /**
+     * Override the "created" and the "updated" fields to ensure they are
+     * properly filled.
+     *
+     * @param array $options
+     * @return bool
+     */
+    public function beforeSave($options = array())
+    {
+        if (isset($this->data[$this->alias]['id'])) {
+            $this->data[$this->alias]['updated'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['created']);
+        } else {
+            $this->data[$this->alias]['created'] = date('Y-m-d H:i:s');
+            unset($this->data[$this->alias]['updated']);
+        }
+        return true;
+    }
+
+    /**
+     * Stores the Album id the deleted track belongs to, to perform further
+     * checks once the record is deleted (the ID is used in the afterDelete()
+     * method).
+     *
+     * @param bool $cascade
+     * @return bool
+     */
+    public function beforeDelete($cascade = false)
+    {
+        $track = $this->find('first', array(
+            'fields' => array('album_id'),
+            'conditions' => array('id' => $this->id)
+        ));
+
+        if (isset($track)) {
+            $this->albumId = $track[$this->alias]['album_id'];
+        }
+        return true;
+    }
+
+    /**
+     * Checks if the Album the deleted track belongs to still have tracks, and
+     * deletes it if it's not the case.
+     */
+    public function afterDelete()
+    {
+        if (!empty($this->albumId)) {
+            $neighbours = $this->find('count', array(
+                'conditions' => array('album_id' => $this->albumId)
+            ));
+
+            if ($neighbours == 0) {
+                $album = ClassRegistry::init('Album');
+                $album->delete($this->albumId);
+            }
+        }
+    }
+}
\ No newline at end of file