What is the air date for episode 19 in Sonny With a Chance?

Episode 19 of "Sonny with a Chance," titled "Sonny with a Song," originally aired on March 14, 2010. This episode features Sonny and her friends as they deal with the challenges of songwriting and performance. The series, which starred Demi Lovato, became popular for its comedic take on the life of a young actress in a sketch comedy show.