text: import sqlalchemy as sql
  from web import sql_database as db
  from sqlalchemy.orm import relationship
  
  
  class Song(db.Model):
      id = sql.Column(sql.Integer, primary_key=True)
      songname = sql.Column(sql.String(100), nullable=False)
      interpret = sql.Column(sql.String(100), nullable=False)
      track_id = sql.Column(sql.String(100), nullable=False, unique=True)
      album = sql.Column(sql.String(100), nullable=False)
      cover_URL = sql.Column(sql.String(100), nullable=False)
      duration = sql.Column(sql.Integer, nullable=False)
  