565+Extra+Credit

**MUSC 565:**
Watch this video - it is a movie version of a keynote presentation that explains the basics of polarity, and the sum of same and opposite polarity signals. It is less than 3 minutes.

media type="youtube" key="mzjtN52Eqow" height="344" width="425"

Survey:
After viewing the slideshow, complete the survey below. To receive credit you must fill in the additional comments section with constructive criticism. (Don't forget your name - you can remain anonymous if you want, but how will I know whom to give credit?)

media type="custom" key="4787289"