Sony vegas help

I inserted a song in sony vegas 10.0 and my original video was only 30 seconds so I moved the song to where the video stops at but the video itself still continues with a black screen can anyone help me?


Here is a screenshot
http://screensnapr.com/v/KVq95u.png

"Preview (Auto)", try and change that? Or press play, ORRR restart the program.

Try all three.

go to the end of the song and drag the edge of it like towards where your clip ends.