She used different and distinct beings to show what remains and what changes through union, while using symbolism from her own failed marriage she was able to showcase what was important to her.
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‘Georges de La Tour’ Review: An Artist Veiled in Shadow is the name of the image.
After painting images of human folly, La Tour turned to the deeply spiritual
"While artists’ reputations can sometimes decline after their deaths, rare is the case of someone falling into total obscurity. Yet such was the fate of Georges de La Tour (1593-1652), who found fame and fortune in life, but who upon his death was quickly forgotten. So total was the oblivion that surviving works were often attributed to other artists, including one in the Prado, originally thought to have been painted by Francisco de Zurbarán. La Tour was not rediscovered until 1915, when a German academic with a penchant for working in the byways of art history published an article on the artist, laying the foundation for future scholarship.
The Prado’s retrospective, organized by the museum’s Andrés Ubeda and the Louvre’s Dimitri Salmon, brings together about 30 of the roughly 40 paintings securely attributed to La Tour. While richly satisfying in its career overview and the array of masterpieces it provides, the show leaves one more curious about the artist than ever before."
I found the image after reverse searching, hope this helped a bit.
Music can be an object of memory because sometimes something important might be happening when you hear a song and the next time you hear that same song it brings back that memory.
Sorry, I don't know how to answer the second question.
