A young woman singing in the car. New Africa/Shutterstock.com Why you can remember every word of a song from 25 years ago – but not why you walked into the room Published: March 6, 2026 11:35am EST Michelle Spear, University of Bristol While driving recently, a long-forgotten song came on the radio. I found myself singing along; not only did I know all the lyrics to a song I hadn’t heard in 25 years or more, but I also managed to rap along. How is it that I could give this rendition, but often cannot remember what I came into the room for? It is tempting to treat these moments as evidence of cognitive decline. A quiet, creeping sense that something is slipping. But the contrast between flawlessly (it was) performing a decades-old song and forgetting a just-formed intention is not a sign that memory is failing. It is a demonstration of how memory works. We tend to talk about “memory” as if it were a single thing. It isn’t. Remembering song lyrics relies on long-term memory – networks distributed across the brain that store information consolidated over years. These include language areas in the temporal lobes, auditory cortex, motor regions involved in speech production, and emotional circuits of the brain that help tag experiences as meaningful. Music is neurologically extravagant: it recruits multiple systems at once – rhythm, language, movement and emotion. That multiplicity strengthens encoding. Each time you repeated those lyrics – in your bedroom, in a car, at a party – you reinforced the synaptic connections involved. Over time, the pathway becomes efficient and stable. Retrieval becomes almost automatic. One great story in your inbox every afternoon Try our Substack By contrast, remembering why you walked into the kitchen relies on working memory – the brain’s temporary holding space. Working me