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 ;-)

Howie Lee - Muztagata

Ruby My Dear - Babil (Alternate Take)

Objekt - Dazzle Anew

Lister Rossel - Kokosmos (feat. Alyusha & Utkucan Eken)

Protege Debauch - White Noise Lullaby feat. Die Antwoord