Sound plays a very important part in our lives. It surrounds us and helps us understand our world. It helps us communicate with others. In this issue, we look at sound from many points of view. We start with what sound is and how it is made with waves or digits. (p. 4-7). We also explore how animals make and use sounds. (p. 8-9) We even show how sound is used to make ice cream! (p. 10) Many sounds affect us. For example, the sound of hello can make us feel welcome. (p. 12) Ancient sounds are being discovered today by Peruvian archeologists. (p. 13) Sound is about more than pretty notes. It‘s about pitch and volume. (p. 14-15) It‘s also about activities that are fun, like a play filled with sound effects or words like “meow”, that sound like the sounds they make. (p. 16-17)The recorded sounds we hear today on our MP3 players have a long history. They have been developing since 1835. (p. 20-21) Not everyone can hear well. Some people need hearing aids, while others need cochlear implants. We all need to protect our hearing. (p. 23-24) As musicians know, music is all about vibrations. Just how are these vibrations made on horns, strings, and other instruments? (p. 25) We complete our issue with some great books that will help you learn a whole lot more about sound. We wish you happy reading, happy doing, and happy sounds.