diff --git a/models.py b/models.py
new file mode 100644
index 0000000..57f2278
--- /dev/null
+++ b/models.py
@@ -0,0 +1,52 @@
+# coding: utf-8
+from flask_sqlalchemy import SQLAlchemy
+
+
+db = SQLAlchemy()
+
+
+
+class Kuenstler(db.Model):
+    __tablename__ = 'kuenstler'
+
+    KuenstlerId = db.Column(db.Integer, primary_key=True, unique=True)
+    Gehalt = db.Column(db.Integer)
+    Herkunftsland = db.Column(db.String(40))
+    Vorname = db.Column(db.String(40))
+    Nachname = db.Column(db.String(40))
+    ManagerId = db.Column(db.ForeignKey('manager.ManagerId'), index=True)
+
+    manager = db.relationship('Manager', primaryjoin='Kuenstler.ManagerId == Manager.ManagerId', backref='kuenstlers')
+
+
+
+class Lied(db.Model):
+    __tablename__ = 'lied'
+
+    LiedId = db.Column(db.Integer, primary_key=True, unique=True)
+    Kuenstleranzahl = db.Column(db.Integer)
+    Liedname = db.Column(db.String(40))
+    Erscheinungsdatum = db.Column(db.Date)
+
+
+
+class LiedKuenstler(db.Model):
+    __tablename__ = 'lied_kuenstler'
+
+    Id = db.Column(db.Integer, primary_key=True, unique=True)
+    KuenstlerId = db.Column(db.ForeignKey('kuenstler.KuenstlerId'), index=True)
+    LiedId = db.Column(db.ForeignKey('lied.LiedId'), index=True)
+
+    kuenstler = db.relationship('Kuenstler', primaryjoin='LiedKuenstler.KuenstlerId == Kuenstler.KuenstlerId', backref='lied_kuenstlers')
+    lied = db.relationship('Lied', primaryjoin='LiedKuenstler.LiedId == Lied.LiedId', backref='lied_kuenstlers')
+
+
+
+class Manager(db.Model):
+    __tablename__ = 'manager'
+
+    ManagerId = db.Column(db.Integer, primary_key=True, unique=True)
+    Vorname = db.Column(db.String(40))
+    Nachname = db.Column(db.String(40))
+    Firma = db.Column(db.String(40))
+    Kuenstler_anzahl = db.Column(db.Integer)