India, Feb. 19 -- Ever throw on your headphones at work, hoping that your "focus music" playlist will supercharge your productivity? You're not alone. With so many playlists out there, it's hard to know which ones actually work. A new study finally spills the beans: only certain types of tunes can boost your mood and sharpen your thinking, while others might just be plain distracting.

The link between music and productivity has intrigued both researchers and professionals for years. With streaming services making it easier than ever to listen while working, understanding these effects is becoming increasingly relevant. Previous research has produced mixed findings-some music can sharpen memory and attention, while others, particularly tr...