Students review, hypothesize and experiment on vibration, and pitch. 30 minute center- based lesson run by older Instrumental students for 3rd or 4th grade intended to help recruit new students. Great Arts Integration lesson with Science and Music! Uses Smart Technology's SmartNotebook software. (Link to web-based software included. Interactive whiteboard not required.) Useful to general classroom teachers as well as General Music and Instrumental Music. Also works as an Arts Integration recruit