CHICAGO (CBS) — The worlds of opera and aquariums are getting together for a sublime soundtrack that showcases penguins in their nesting mode.

At Chicago’s Shedd Aquarium, the penguins are beginning their annual nest-building cycle. So the Lyric Opera of Chicago is giving them beautiful music to accompany their work.

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It’s from Rossini’s “The Barber of Seville.” The penguins are seen collecting natural materials like lavender sprigs, grape vines and fig branches to build their nest.

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The Lyric Opera ended its season early and the Shedd Aquarium closed its doors to visitors because of the COVID-19 pandemic.

But it’s business as usual for the Magellanic and rockhopper penguins.

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(Credit: Shedd Aquarium/Brenna Hernandez)

The opera was performed by Adam Plachetka at the Lyric Opera of Chicago to open the 2019/20 season last fall.