YouTube thumbnail 1280x720, vintage jazz club stage, energetic swing band performance, three musicians: saxophone player, trumpet player, drummer, all in classic black suits, red stage curtain background, vintage microphone, warm spotlight, joyful and lively atmosphere, elegant text "Gregory Jazz Lounge" in gold serif font at top, text "Swing Night" in white cursive below, high contrast, cinematic, 8k, 16:9
