Write SQL query to solve given problem: Provide the directors and MPAA ratings of the musical movies released in 1993.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.director, T1.MPAA_rating FROM movies_total_gross AS T1 INNER JOIN director AS T2 ON T1.movie_title = T2.name WHERE T1.genre = 'Musical' AND SUBSTR(T1.release_date, LENGTH(T1.release_date) - 3, LENGTH(T1.release_date)) = '1993'