You may be familiar with notes, key signatures and meter signatures. But, there's a lot more happening on a music score. Various markings, such as crescendo, forte, fortissimo and pianissimo, can tell a musician how hard or soft to play. While other expressions, such as adagio, andante and presto, will tell them how fast or slow to play. Get ready to brush up on your Italian and learn all about dynamic, perfomance and tempo markings.