If Youtube videos do not play reload the page, that's a Youtube bug.
Or maybe now, a few years later, it's a new bug ;-)

Jillian Iva - Glide On

Santisimos Snorkels - Surfeando de noche

Die Goldenen Zitronen - Das bißchen Totschlag

Fat City Reprise - Long Gone

Nick Cave & The Bad Seeds - The Weeping Song