Go to YouTube and find the video you want
1. under that video click on the word share
2. on the left under where it says share click on embed .
3. a box comes up with video on the left and code is on the right.
4. copy that code so you can paste to your page.
5.after you paste see this in front <iframe only change the iframe word to embed
6. See on bottom this word iframe> again only change the word ony iframe to embed
7. Go back to code . under the size see where the code begins with http
look through that code till you see a ?
8. after that ? add &autoplay=1&
9.
make sure you didn't make spaces . save ,go look it's on your page as auto play
ok, I changed my music and now it doesnt automatically play.I did exactly as I was supposed to..dang it.I would hate to change my browser ..I also have a Mac,no windows.Any suggestions? Thank you!! 
