Diorama Musical dans un Livre Ancien

An open antique book diorama blending 3D realism and 2D draftsmanship. At the center crease stands a massive, hyper-realistic [cello], its glossy wooden body resting on the horizontal page while its neck transitions smoothly into a 2D technical drawing on the vertical page. The vertical background page consists of flat, aged parchment filled with Da Vinci-style technical sketches of acoustic sound waves, orchestra seating arrangements, and musical notation. The horizontal foreground page features a crumpled concert playbill, a block of violin rosin, a pair of vintage opera glasses, and a conductor's baton lying across sheet music. Miniature musicians stand upon the sheet music and along the curved wooden ribs of the cello. Illuminated by warm, golden concert hall lighting with soft reflections on the polished varnish.