private void MusicLabel_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.Hide();
            this.Close();

            MusicLibrary musicLibrary = new MusicLibrary();

            musicLibrary.Show();
        }
        private void MusicLabel_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.Hide();
            this.Close();

            MusicLibrary musicLibrary = new MusicLibrary();
            musicLibrary.Show();
        }