The Proline Play Piano Today! Beginner's Pack can be used by students who want to teach themselves to play piano, or by teachers for private or group instruction. It is a complete guide to the basics, designed to offer quality instruction, terrific songs and professional-quality online audio with 99 full-demo tracks. Students can learn at their own pace and open the door to the world of piano music. The audio is accessed online using the unique code inside each book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.