The Delphic Sibyl by Michelangelo (1509). Fresco in the Sistine Chapel. Public domain via Wikimedia Commons. 

This week's show features haunting music from the Iberian Peninsula: the Song of the Sibyl, apocalyptic prophesies from Mallorca and Valencia, performed by soprano Montserrat Figueras, Jordi Savall, and La Capella Reial de Catalunya. 

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