It's exam season, which means that students across the world are procrastinating by hunting for the best playlists to listen to while studying. Look no further. We've curated a selection of some of the best pieces of classical music to keep you focused, whether you've got your head in a GCSE Science textbook, a set of university lecture notes on James Joyce's Ulysses or the five-hundredth page of your PhD dissertation on climate change. Follow BBC Music Magazine on Apple Music and Spotify for playlists tailored perfectly for every mood.