Simplify the following text for a Grade 5 native English-speaking person.
Original: Although he 's best remembered today as the star in the first ( full length ) talking movie , The Jazz Singer in 1927 , he later starred in a series of successful musical films throughout the 1930s .
Simplified: Jolson sang and acted in the first ( full length ) talking movie , The Jazz Singer in 1927 . He starred in many other musical movies in the 1930s .