Q: I created video for my class. Where to look for legal music to use in it?

A: Creative commons provides the resources of legal music for videos: http://creativecommons.org/legalmusicforvideos

Q: I'd like to set a webinar. How do I do that?

A: Web conferencing resources:

about AdobeConnect at ASU:
http://help.asu.edu/sims/selfhelp/SelfhelpKbView.seam?parature_id=8373-8193-5014

about Google+
http://qaetools.blogspot.com/2011/09/q-can-expand-my-communication-without.html

about networking space + mobile - Podio:
http://qaetools.blogspot.com/2011/12/q-i-am-looking-for-online-networking.html

Free "blackboard" - open source course management system - Moodle
http://moodle.org/

Overview of the top ten web conferencing services:
http://tomuse.com/top-10-free-web-conference-services/