Sous le ciel de Paris is a famous French song by Yves Montand. The song describes the beauty of Paris and its people. It talks about the lovers walking under the sky of Paris, the philosophers sitting under the bridge, and the musicians playing their instruments. The song also mentions the river Seine, the birds, and the rain. The sky of Paris is portrayed as a moody lover who can be cruel and thunderous, but also forgiving and offering a rainbow. The song is a tribute to the city of Paris and its timeless charm.