public static Connection getConnection() throws SQLServerException {
        if (m_connection == null) // first time
        {
            SQLServerDataSource ds = new SQLServerDataSource();

            ds.setApplicationName("jdbc:sqlserver://");
            //ds.setServerName("10.211.55.8");
            ds.setServerName("localhost");
            ds.setInstanceName("SQLEXPRESS");
            ds.setDatabaseName("myTunesV2");
            ds.setPortNumber(1433);
            ds.setUser("java");
            ds.setPassword("1234");
            m_connection = ds.getConnection();
        }
        return m_connection;

    }