Powerpress Validation Failure

Hello-

I have tried checking out solutions on the forum regarding validation failure, but still no luck. I’m actually still quite new at this, probably something I’m overlooking!

the site is workingdrummer.net

1st podcast validated fine with iTunes. Second one was to go up Wednesday, but still no luck.

http://feedvalidator.org/check.cgi?url=http%3A%2F%2Fwww.workingdrummer.net%2Ffeed%2Fpodcast%2F

Help me Obi-Won-Kenobi