Music has an "earworm" phenomenon, where a catchy snippet of a song relentlessly loops in your mind. Intriguingly, research suggests these sticky tunes could be a cognitive itch, with our brain's desire to fill in gaps in a song's rhythm or melody. Often, our minds are more inclined to replay music that remains unresolved. This indicates that our brains enjoy predicting and anticipating musical patterns, hinting at music's deep-rooted connection with human cognition. What fascinating musical facts have you encountered? Share your own auditory discoveries!