abstract surreal texture of colourful nostalgic polished holographic mirror 2000s disco ball, y2k nostalgia for past millennium

abstract surreal texture colourful nostalgic holographic mirror disco shine ball shiny party nightclub millennium nostalgia gleaming bright reflective retrofuturism era music nightlife hologram psychedelic stylish light background celebration festive retro purple backdrop modern night equipment sphere colorful rays pop discoball effect holiday blue dance spotlight club entertainment futuristic polished 2000s y2k era retro-futurism