Now playing: Pope Francis’ ecological encyclical set to music

Boston composer's Laudato Si' oratorio is 'a call to action through music'

When Linda Chase first read Pope Francis' environmental encyclical “Laudato Si', on Care for Our Common Home,” she was struck by the phrase, “Let us sing as we go. May our struggles and our concern for this planet never take away the joy of our hope.”

Now the composer and flutist, who lives in Arlington, Massachusetts, has turned that phrase into a song, expressing her joy and hope in an oratorio based on the pontiff's words.

“I am interpreting Laudato Si' as a call to action through music,” she told EarthBeat.

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