Startup Demo Day Poster in Grunge Style | rolling stones tour posters for sale

Event poster: startup demo day. Event kind: tech conference. Poster style: grunge band poster, celebratory joyful mood, pastel soft palette. Render with event name, date and venue placeholder text rendered cleanly in matching typography. Strong visual hierarchy, print-ready resolution, no watermarks. No copyrighted franchise look-alikes, no real-celebrity faces. Placeholder text rendered sharp and readable in English. Specifically: startup demo day. Target search intent (rendered visually, no on-image text): "rolling stones tour posters for sale" (en).