Just added the image and caption below to the Trombone History Timeline (17th century, 2nd half). I’ll also be adding it to the HubPages article, Trombone History: Cherubs Playing the Trombone.

1689—Seville, Spain: The church of the Hospital de los Venerables Sacerdotes, with walls and ceiling painted by Juan Valdés and his son Lucas Valdés, is completed. Among the numerous instrument-playing cherubs depicted on the ceiling is a cherub playing the trombone (see detail and full image below; public domain).