I got the music from here: http://www.youtube.com/trackonerecordings
If you liked the old song better, you can get it yourself from audioswap - search for "With A Spirit" by 009 Sound System
Nearly all real videos you´ll find on YouTube with the stress at work or office stress tag.
This funny vid shows you how stressed people can get angry in the office.
All these vids (except first three) in this compilation are REAL and they were caught on a hidden cam or webcam.
There