Why would anyone want to ruin a perfectly good melody by speeding it up? The answer lies in the attention economy.

Could you please provide more context or clarify which Bengali song you're referring to, specifically the one with "2x" in the title? That way, I can try to:

With the dominance of short-form content (Reels, Shorts, TikTok), audiences prefer faster gratification. A 2X version condenses a 5-minute song into 2.5 minutes, allowing viewers to consume more content in less time.