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Sara Bareilles is stamping her songwriting skills all over Broadway. In addition to the score she penned for upcoming musical Waitress, the "Love Song" singer has transformed the "Turn Off Your Cell Phone" pre-show warning into a pleasing piano pop ditty.

"Do it now, while I sing, because no one's going to like you if your phone rings," she coos over the staccato ballad in the tune of "Cassiopeia," from her 2013 record The Blessed Unrest.

In an interview with the Associated Press, Bareilles said she was inspired to write the 40-second tune after being frustrated by disruptive rings during the Waitress previews. "The team and I spoke after the show, and I suggested a cell phone announcement that I would write and sing myself," she explained. "I decided to rewrite the words to a song of mine called 'Cassiopeia,' and try to make something funny, in the style of the show, but that would still get the point across."

The 36-year-old has already released her full-length tracks for Waitress, which makes its public Broadway debut Sunday. Based on Adrienne Shelley's 2007 film of the same name, the production has already made history as the first Broadway musical with an all-female creative team. The story follows a waitress (Jessie Mueller) stuck in a stagnant marriage and her search for a way out of her small town confines.

Listen to Bareille's "Turn Off Your Cell Phone" rendition below.

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