This is a really cool program. Much cooler than windows media visualizations.

Quoted: Speech, Music and Hearing (TMH) is a department at the Royal Institute of Technology (KTH) located in Stockholm, Sweden. Research and education at the department covers important parts of speech synthesis, music acoustics, communication, emotions and gestural communication, instruments, perception, understanding. Major applications areas are aids for hearing impaired, automatic musical performance and gesture-based control.